111001021020122 has 16 divisors (see below), whose sum is σ = 167909343033600. Its totient is φ = 55033143743952.

The previous prime is 111001021020073. The next prime is 111001021020157. The reversal of 111001021020122 is 221020120100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001021020097 and 111001021020106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475816898 + ... + 476050125.

It is an arithmetic number, because the mean of its divisors is an integer number (10494333939600).

Almost surely, 2^{111001021020122} is an apocalyptic number.

111001021020122 is a deficient number, since it is larger than the sum of its proper divisors (56908322013478).

111001021020122 is a wasteful number, since it uses less digits than its factorization.

111001021020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951867517.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111001021020122 its reverse (221020120100111), we get a palindrome (332021141120233).

The spelling of 111001021020122 in words is "one hundred eleven trillion, one billion, twenty-one million, twenty thousand, one hundred twenty-two".