101010121020220 has 12 divisors (see below), whose sum is σ = 212121254142504. Its totient is φ = 40404048408080.

The previous prime is 101010121020217. The next prime is 101010121020269. The reversal of 101010121020220 is 22020121010101.

It is a self number, because there is not a number n which added to its sum of digits gives 101010121020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525253025486 + ... + 2525253025525.

It is an arithmetic number, because the mean of its divisors is an integer number (17676771178542).

Almost surely, 2^{101010121020220} is an apocalyptic number.

101010121020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010121020220 is an abundant number, since it is smaller than the sum of its proper divisors (111111133122284).

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

101010121020220 is a wasteful number, since it uses less digits than its factorization.

101010121020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050506051020 (or 5050506051018 counting only the distinct ones).

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

Adding to 101010121020220 its reverse (22020121010101), we get a palindrome (123030242030321).

The spelling of 101010121020220 in words is "one hundred one trillion, ten billion, one hundred twenty-one million, twenty thousand, two hundred twenty".