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222202101121001 = 494987448904923
BaseRepresentation
bin110010100001011101110101…
…010011100011111111101001
31002010202022110110212002211222
4302201131311103203333221
5213111024400341333001
62104330122553031425
764542400131124631
oct6241356523437751
91063668413762758
10222202101121001
1164889422316701
1220b0830a0b5575
1396ca7505172c1
143cc28d38b16c1
151aa4ebea6161b
hexca17754e3fe9

222202101121001 has 4 divisors (see below), whose sum is σ = 222202550520912. Its totient is φ = 222201651721092.

The previous prime is 222202101120917. The next prime is 222202101121027. The reversal of 222202101121001 is 100121101202222.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222202101121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202101121801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223957475 + ... + 224947448.

It is an arithmetic number, because the mean of its divisors is an integer number (55550637630228).

Almost surely, 2222202101121001 is an apocalyptic number.

It is an amenable number.

222202101121001 is a deficient number, since it is larger than the sum of its proper divisors (449399911).

222202101121001 is an equidigital number, since it uses as much as digits as its factorization.

222202101121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449399910.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222202101121001 its reverse (100121101202222), we get a palindrome (322323202323223).

The spelling of 222202101121001 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred one million, one hundred twenty-one thousand, one".

Divisors: 1 494987 448904923 222202101121001