120220010021021 has 8 divisors (see below), whose sum is σ = 121411987401144. Its totient is φ = 119028065587200.

The previous prime is 120220010020973. The next prime is 120220010021053. The reversal of 120220010021021 is 120120010022021.

It can be written as a sum of positive squares in 4 ways, for example, as 25607698764025 + 94612311256996 = 5060405^2 + 9726886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120220010021021 - 2²² = 120220005826717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120220010020987 and 120220010021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220010021081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869960 + ... + 15530513.

It is an arithmetic number, because the mean of its divisors is an integer number (15176498425143).

Almost surely, 2^{120220010021021} is an apocalyptic number.

It is an amenable number.

120220010021021 is a deficient number, since it is larger than the sum of its proper divisors (1191977380123).

120220010021021 is a wasteful number, since it uses less digits than its factorization.

120220010021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473151.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120220010021021 its reverse (120120010022021), we get a palindrome (240340020043042).

The spelling of 120220010021021 in words is "one hundred twenty trillion, two hundred twenty billion, ten million, twenty-one thousand, twenty-one".