1121110112122 has 64 divisors (see below), whose sum is σ = 2258153146368. Its totient is φ = 403151256000.

The previous prime is 1121110112081. The next prime is 1121110112123. The reversal of 1121110112122 is 2212110111211.

It is a super-2 number, since 2×1121110112122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121110112096 and 1121110112105.

It is not an unprimeable number, because it can be changed into a prime (1121110112123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21537547 + ... + 21589537.

It is an arithmetic number, because the mean of its divisors is an integer number (35283642912).

Almost surely, 2^{1121110112122} is an apocalyptic number.

1121110112122 is an abundant number, since it is smaller than the sum of its proper divisors (1137043034246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121110112122 is a wasteful number, since it uses less digits than its factorization.

1121110112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62795.

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

Adding to 1121110112122 its reverse (2212110111211), we get a palindrome (3333220223333).

The spelling of 1121110112122 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-two".