111200020122 has 16 divisors (see below), whose sum is σ = 234105305760. Its totient is φ = 35115795792.

The previous prime is 111200020117. The next prime is 111200020171. The reversal of 111200020122 is 221020002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200020098 and 111200020107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487719273 + ... + 487719500.

It is an arithmetic number, because the mean of its divisors is an integer number (14631581610).

Almost surely, 2^111200020122 is an apocalyptic number.

111200020122 is an abundant number, since it is smaller than the sum of its proper divisors (122905285638).

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

111200020122 is a wasteful number, since it uses less digits than its factorization.

111200020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975438797.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111200020122 its reverse (221020002111), we get a palindrome (332220022233).

The spelling of 111200020122 in words is "one hundred eleven billion, two hundred million, twenty thousand, one hundred twenty-two".