111202020122 has 8 divisors (see below), whose sum is σ = 172554858900. Its totient is φ = 53683733824.

The previous prime is 111202020121. The next prime is 111202020179. The reversal of 111202020122 is 221020202111.

It can be written as a sum of positive squares in 2 ways, for example, as 95981616481 + 15220403641 = 309809^2 + 123371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111202020097 and 111202020106.

It is not an unprimeable number, because it can be changed into a prime (111202020121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958638047 + ... + 958638162.

Almost surely, 2^111202020122 is an apocalyptic number.

111202020122 is a deficient number, since it is larger than the sum of its proper divisors (61352838778).

111202020122 is a wasteful number, since it uses less digits than its factorization.

111202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917276240.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111202020122 its reverse (221020202111), we get a palindrome (332222222233).

The spelling of 111202020122 in words is "one hundred eleven billion, two hundred two million, twenty thousand, one hundred twenty-two".