111010022021002 has 16 divisors (see below), whose sum is σ = 179433426011112. Its totient is φ = 51204096411840.

The previous prime is 111010022020943. The next prime is 111010022021023. The reversal of 111010022021002 is 200120220010111.

It can be written as a sum of positive squares in 4 ways, for example, as 73186673316241 + 37823348704761 = 8554921^2 + 6150069^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 1304055249 + ... + 1304140372.

Almost surely, 2^{111010022021002} is an apocalyptic number.

111010022021002 is a deficient number, since it is larger than the sum of its proper divisors (68423403990110).

111010022021002 is a wasteful number, since it uses less digits than its factorization.

111010022021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608197273.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111010022021002 its reverse (200120220010111), we get a palindrome (311130242031113).

The spelling of 111010022021002 in words is "one hundred eleven trillion, ten billion, twenty-two million, twenty-one thousand, two".