1112110021122 has 32 divisors (see below), whose sum is σ = 2400957175680. Its totient is φ = 342358705920.

The previous prime is 1112110021117. The next prime is 1112110021159. The reversal of 1112110021122 is 2211200112111.

It is a happy number.

It is a super-2 number, since 2×1112110021122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138940279 + ... + 138948282.

It is an arithmetic number, because the mean of its divisors is an integer number (75029911740).

Almost surely, 2^{1112110021122} is an apocalyptic number.

1112110021122 is an abundant number, since it is smaller than the sum of its proper divisors (1288847154558).

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

1112110021122 is a wasteful number, since it uses less digits than its factorization.

1112110021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277888618.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112110021122 its reverse (2211200112111), we get a palindrome (3323310133233).

The spelling of 1112110021122 in words is "one trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred twenty-two".