111021112121002 has 16 divisors (see below), whose sum is σ = 168598765222272. Its totient is φ = 54822005391520.

The previous prime is 111021112120979. The next prime is 111021112121027. The reversal of 111021112121002 is 200121211120111.

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, 119957074 + ... + 120879037.

It is an arithmetic number, because the mean of its divisors is an integer number (10537422826392).

Almost surely, 2^{111021112121002} is an apocalyptic number.

111021112121002 is a deficient number, since it is larger than the sum of its proper divisors (57577653101270).

111021112121002 is a wasteful number, since it uses less digits than its factorization.

111021112121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240838973.

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

Adding to 111021112121002 its reverse (200121211120111), we get a palindrome (311142323241113).

The spelling of 111021112121002 in words is "one hundred eleven trillion, twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two".