111020020001200 has 30 divisors (see below), whose sum is σ = 266725598053844. Its totient is φ = 44408008000320.

The previous prime is 111020020001183. The next prime is 111020020001237. The reversal of 111020020001200 is 2100020020111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138775024602 + ... + 138775025401.

Almost surely, 2^{111020020001200} is an apocalyptic number.

111020020001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020020001200 is an abundant number, since it is smaller than the sum of its proper divisors (155705578052644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020020001200 is a wasteful number, since it uses less digits than its factorization.

111020020001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277550050021 (or 277550050010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111020020001200 its reverse (2100020020111), we get a palindrome (113120040021311).

The spelling of 111020020001200 in words is "one hundred eleven trillion, twenty billion, twenty million, one thousand, two hundred".