111220010020210 has 64 divisors (see below), whose sum is σ = 247671758057472. Its totient is φ = 35016920027136.

The previous prime is 111220010020139. The next prime is 111220010020211. The reversal of 111220010020210 is 12020010022111.

It is a super-2 number, since 2×111220010020210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (111220010020211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316455954 + ... + 316807213.

It is an arithmetic number, because the mean of its divisors is an integer number (3869871219648).

Almost surely, 2^{111220010020210} is an apocalyptic number.

111220010020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220010020210 is an abundant number, since it is smaller than the sum of its proper divisors (136451748037262).

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

111220010020210 is a wasteful number, since it uses less digits than its factorization.

111220010020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633263387.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111220010020210 its reverse (12020010022111), we get a palindrome (123240020042321).

The spelling of 111220010020210 in words is "one hundred eleven trillion, two hundred twenty billion, ten million, twenty thousand, two hundred ten".