111212200210120 has 16 divisors (see below), whose sum is σ = 250227450472860. Its totient is φ = 44484880084032.

The previous prime is 111212200210087. The next prime is 111212200210157. The reversal of 111212200210120 is 21012002212111.

It can be written as a sum of positive squares in 2 ways, for example, as 92771995039684 + 18440205170436 = 9631822^2 + 4294206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111212200210094 and 111212200210103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390152502587 + ... + 1390152502666.

Almost surely, 2^{111212200210120} is an apocalyptic number.

111212200210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111212200210120 is an abundant number, since it is smaller than the sum of its proper divisors (139015250262740).

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

111212200210120 is a wasteful number, since it uses less digits than its factorization.

111212200210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780305005264 (or 2780305005260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111212200210120 its reverse (21012002212111), we get a palindrome (132224202422231).

The spelling of 111212200210120 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred million, two hundred ten thousand, one hundred twenty".