10120221010020 has 96 divisors (see below), whose sum is σ = 31218741380736. Its totient is φ = 2429095936000.

The previous prime is 10120221009949. The next prime is 10120221010027. The reversal of 10120221010020 is 2001012202101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10120221009978 and 10120221010005.

It is not an unprimeable number, because it can be changed into a prime (10120221010027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75842589 + ... + 75975908.

It is an arithmetic number, because the mean of its divisors is an integer number (325195222716).

Almost surely, 2^{10120221010020} is an apocalyptic number.

10120221010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120221010020 is an abundant number, since it is smaller than the sum of its proper divisors (21098520370716).

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

10120221010020 is a wasteful number, since it uses less digits than its factorization.

10120221010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151818621 (or 151818619 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10120221010020 its reverse (2001012202101), we get a palindrome (12121233212121).

The spelling of 10120221010020 in words is "ten trillion, one hundred twenty billion, two hundred twenty-one million, ten thousand, twenty".