111200121022010 has 32 divisors (see below), whose sum is σ = 211936006774800. Its totient is φ = 41863247373312.

The previous prime is 111200121021991. The next prime is 111200121022021. The reversal of 111200121022010 is 10220121002111.

It can be written as a sum of positive squares in 8 ways, for example, as 102234282543409 + 8965838478601 = 10111097^2 + 2994301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19801532 + ... + 24789128.

Almost surely, 2^{111200121022010} is an apocalyptic number.

111200121022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111200121022010 is a deficient number, since it is larger than the sum of its proper divisors (100735885752790).

111200121022010 is a wasteful number, since it uses less digits than its factorization.

111200121022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118770.

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

Adding to 111200121022010 its reverse (10220121002111), we get a palindrome (121420242024121).

The spelling of 111200121022010 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-one million, twenty-two thousand, ten".