1111002112122 has 32 divisors (see below), whose sum is σ = 2539539929472. Its totient is φ = 317415858624.

The previous prime is 1111002112097. The next prime is 1111002112133. The reversal of 1111002112122 is 2212112001111.

It is a happy number.

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, 481008 + ... + 1566324.

It is an arithmetic number, because the mean of its divisors is an integer number (79360622796).

Almost surely, 2^{1111002112122} is an apocalyptic number.

1111002112122 is an abundant number, since it is smaller than the sum of its proper divisors (1428537817350).

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

1111002112122 is a wasteful number, since it uses less digits than its factorization.

1111002112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109702.

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

Adding to 1111002112122 its reverse (2212112001111), we get a palindrome (3323114113233).

It can be divided in two parts, 111100 and 2112122, that added together give a palindrome (2223222).

The spelling of 1111002112122 in words is "one trillion, one hundred eleven billion, two million, one hundred twelve thousand, one hundred twenty-two".