111002001221210 has 64 divisors (see below), whose sum is σ = 229681827694080. Its totient is φ = 38199543117120.

The previous prime is 111002001221179. The next prime is 111002001221239. The reversal of 111002001221210 is 12122100200111.

It is a super-2 number, since 2×111002001221210² (a number of 29 digits) contains 22 as substring.

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, 26062484 + ... + 30020943.

It is an arithmetic number, because the mean of its divisors is an integer number (3588778557720).

Almost surely, 2^{111002001221210} is an apocalyptic number.

111002001221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111002001221210 is an abundant number, since it is smaller than the sum of its proper divisors (118679826472870).

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

111002001221210 is a wasteful number, since it uses less digits than its factorization.

111002001221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56084411.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111002001221210 its reverse (12122100200111), we get a palindrome (123124101421321).

The spelling of 111002001221210 in words is "one hundred eleven trillion, two billion, one million, two hundred twenty-one thousand, two hundred ten".