1111122101122 has 24 divisors (see below), whose sum is σ = 1850112440316. Its totient is φ = 500054940000.

The previous prime is 1111122101107. The next prime is 1111122101123. The reversal of 1111122101122 is 2211012211111.

It can be written as a sum of positive squares in 2 ways, for example, as 1107737305081 + 3384796041 = 1052491^2 + 58179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111122101096 and 1111122101105.

It is not an unprimeable number, because it can be changed into a prime (1111122101123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22705329 + ... + 22754212.

Almost surely, 2^{1111122101122} is an apocalyptic number.

1111122101122 is a deficient number, since it is larger than the sum of its proper divisors (738990339194).

1111122101122 is a wasteful number, since it uses less digits than its factorization.

1111122101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45459666 (or 45459655 counting only the distinct ones).

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

Adding to 1111122101122 its reverse (2211012211111), we get a palindrome (3322134312233).

The spelling of 1111122101122 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-two".