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1112122220101 = 1823610050587
BaseRepresentation
bin10000001011101111101…
…001100101111001000101
310221022120201011100112121
4100023233221211321011
5121210111242020401
62210522450445541
7143230265620054
oct20135751457105
93838521140477
101112122220101
11399715000412
1215b6535938b1
1380b46363389
143bb8141c39b
151ddded14ca1
hex102efa65e45

1112122220101 has 4 divisors (see below), whose sum is σ = 1112732272512. Its totient is φ = 1111512167692.

The previous prime is 1112122220093. The next prime is 1112122220107. The reversal of 1112122220101 is 1010222212111.

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 not a de Polignac number, because 1112122220101 - 23 = 1112122220093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122220107) 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, 305023471 + ... + 305027116.

It is an arithmetic number, because the mean of its divisors is an integer number (278183068128).

Almost surely, 21112122220101 is an apocalyptic number.

It is an amenable number.

1112122220101 is a deficient number, since it is larger than the sum of its proper divisors (610052411).

1112122220101 is an equidigital number, since it uses as much as digits as its factorization.

1112122220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610052410.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112122220101 its reverse (1010222212111), we get a palindrome (2122344432212).

The spelling of 1112122220101 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".

Divisors: 1 1823 610050587 1112122220101