111201012012120 has 32 divisors (see below), whose sum is σ = 333603036036720. Its totient is φ = 29653603203200.

The previous prime is 111201012012119. The next prime is 111201012012127. The reversal of 111201012012120 is 21210210102111.

It is a happy number.

It is a super-3 number, since 3×111201012012120³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111201012012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201012012127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463337549931 + ... + 463337550170.

Almost surely, 2^{111201012012120} is an apocalyptic number.

111201012012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201012012120 is an abundant number, since it is smaller than the sum of its proper divisors (222402024024600).

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

111201012012120 is a wasteful number, since it uses less digits than its factorization.

111201012012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926675100115 (or 926675100111 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111201012012120 its reverse (21210210102111), we get a palindrome (132411222114231).

The spelling of 111201012012120 in words is "one hundred eleven trillion, two hundred one billion, twelve million, twelve thousand, one hundred twenty".