111010120001200 has 120 divisors (see below), whose sum is σ = 320844286833920. Its totient is φ = 36057422419200.

The previous prime is 111010120001161. The next prime is 111010120001201. The reversal of 111010120001200 is 2100021010111.

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

It is not an unprimeable number, because it can be changed into a prime (111010120001201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043274996 + ... + 1043381395.

Almost surely, 2^{111010120001200} is an apocalyptic number.

111010120001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010120001200 is an abundant number, since it is smaller than the sum of its proper divisors (209834166832720).

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

111010120001200 is a wasteful number, since it uses less digits than its factorization.

111010120001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086656435 (or 2086656424 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111010120001200 its reverse (2100021010111), we get a palindrome (113110141011311).

The spelling of 111010120001200 in words is "one hundred eleven trillion, ten billion, one hundred twenty million, one thousand, two hundred".