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222100211121101 = 2121110470991991
BaseRepresentation
bin110010011111111110111100…
…001100000011101111001101
31002010101120110120211211010222
4302133332330030003233031
5213102342213021333401
62104211232312441125
764532132164326425
oct6237767414035715
91063346416754128
10222100211121101
116484a197045715
1220ab06133a91a5
1396c0c63295931
143cbb9c982b485
151aa2509941c1b
hexc9ffbc303bcd

222100211121101 has 4 divisors (see below), whose sum is σ = 222110682134304. Its totient is φ = 222089740107900.

The previous prime is 222100211121083. The next prime is 222100211121119. The reversal of 222100211121101 is 101121112001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (222100211121083) and next prime (222100211121119).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222100211121101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222100211121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100211121181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5235474785 + ... + 5235517206.

It is an arithmetic number, because the mean of its divisors is an integer number (55527670533576).

Almost surely, 2222100211121101 is an apocalyptic number.

It is an amenable number.

222100211121101 is a deficient number, since it is larger than the sum of its proper divisors (10471013203).

222100211121101 is a wasteful number, since it uses less digits than its factorization.

222100211121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471013202.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222100211121101 its reverse (101121112001222), we get a palindrome (323221323122323).

The spelling of 222100211121101 in words is "two hundred twenty-two trillion, one hundred billion, two hundred eleven million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 21211 10470991991 222100211121101