101210011220 has 24 divisors (see below), whose sum is σ = 213349175424. Its totient is φ = 40330070816.

The previous prime is 101210011183. The next prime is 101210011229. The reversal of 101210011220 is 22110012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9615464 + ... + 9625983.

It is an arithmetic number, because the mean of its divisors is an integer number (8889548976).

Almost surely, 2^101210011220 is an apocalyptic number.

101210011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210011220 is an abundant number, since it is smaller than the sum of its proper divisors (112139164204).

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

101210011220 is a wasteful number, since it uses less digits than its factorization.

101210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241719 (or 19241717 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101210011220 its reverse (22110012101), we get a palindrome (123320023321).

The spelling of 101210011220 in words is "one hundred one billion, two hundred ten million, eleven thousand, two hundred twenty".