101012121000220 has 12 divisors (see below), whose sum is σ = 212125454100504. Its totient is φ = 40404848400080.

The previous prime is 101012121000187. The next prime is 101012121000221. The reversal of 101012121000220 is 22000121210101.

It is a self number, because there is not a number n which added to its sum of digits gives 101012121000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012121000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525303024986 + ... + 2525303025025.

It is an arithmetic number, because the mean of its divisors is an integer number (17677121175042).

Almost surely, 2^{101012121000220} is an apocalyptic number.

101012121000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012121000220 is an abundant number, since it is smaller than the sum of its proper divisors (111113333100284).

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

101012121000220 is a wasteful number, since it uses less digits than its factorization.

101012121000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050606050020 (or 5050606050018 counting only the distinct ones).

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

Adding to 101012121000220 its reverse (22000121210101), we get a palindrome (123012242210321).

The spelling of 101012121000220 in words is "one hundred one trillion, twelve billion, one hundred twenty-one million, two hundred twenty", and thus it is an aban number.