1111111100122 has 16 divisors (see below), whose sum is σ = 1686822501312. Its totient is φ = 548868550720.

The previous prime is 1111111100111. The next prime is 1111111100129. The reversal of 1111111100122 is 2210011111111.

It is a super-2 number, since 2×1111111100122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111111100129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833928 + ... + 7974499.

It is an arithmetic number, because the mean of its divisors is an integer number (105426406332).

Almost surely, 2^{1111111100122} is an apocalyptic number.

1111111100122 is a deficient number, since it is larger than the sum of its proper divisors (575711401190).

1111111100122 is a wasteful number, since it uses less digits than its factorization.

1111111100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15808853.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1111111100122 its reverse (2210011111111), we get a palindrome (3321122211233).

The spelling of 1111111100122 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred thousand, one hundred twenty-two".