101121010220 has 24 divisors (see below), whose sum is σ = 213421236000. Its totient is φ = 40245144192.

The previous prime is 101121010183. The next prime is 101121010231. The reversal of 101121010220 is 22010121101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12699665 + ... + 12707624.

It is an arithmetic number, because the mean of its divisors is an integer number (8892551500).

Almost surely, 2^101121010220 is an apocalyptic number.

101121010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121010220 is an abundant number, since it is smaller than the sum of its proper divisors (112300225780).

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

101121010220 is a wasteful number, since it uses less digits than its factorization.

101121010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407497 (or 25407495 counting only the distinct ones).

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

Adding to 101121010220 its reverse (22010121101), we get a palindrome (123131131321).

The spelling of 101121010220 in words is "one hundred one billion, one hundred twenty-one million, ten thousand, two hundred twenty".