101210220220020 has 48 divisors (see below), whose sum is σ = 283417240501248. Its totient is φ = 26986665974400.

The previous prime is 101210220220009. The next prime is 101210220220033. The reversal of 101210220220020 is 20022022012101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84591124 + ... + 85779243.

It is an arithmetic number, because the mean of its divisors is an integer number (5904525843776).

Almost surely, 2^{101210220220020} is an apocalyptic number.

101210220220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210220220020 is an abundant number, since it is smaller than the sum of its proper divisors (182207020281228).

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

101210220220020 is a wasteful number, since it uses less digits than its factorization.

101210220220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170380280 (or 170380278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101210220220020 its reverse (20022022012101), we get a palindrome (121232242232121).

The spelling of 101210220220020 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty million, two hundred twenty thousand, twenty".