111120222201210 has 64 divisors (see below), whose sum is σ = 296774376456960. Its totient is φ = 29586680861760.

The previous prime is 111120222201161. The next prime is 111120222201223. The reversal of 111120222201210 is 12102222021111.

111120222201210 is a `hidden beast` number, since 1 + 1 + 11 + 20 + 222 + 201 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314951086 + ... + 315303705.

It is an arithmetic number, because the mean of its divisors is an integer number (4637099632140).

Almost surely, 2^{111120222201210} is an apocalyptic number.

111120222201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111120222201210 is an abundant number, since it is smaller than the sum of its proper divisors (185654154255750).

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

111120222201210 is a wasteful number, since it uses less digits than its factorization.

111120222201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630255460 (or 630255454 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111120222201210 its reverse (12102222021111), we get a palindrome (123222444222321).

The spelling of 111120222201210 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-two million, two hundred one thousand, two hundred ten".