120122020122021 has 10 divisors (see below), whose sum is σ = 179441536231782. Its totient is φ = 80081346747960.

The previous prime is 120122020121963. The next prime is 120122020122029. The reversal of 120122020122021 is 120221020221021.

It is a happy number.

120122020122021 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 220 + 201 + 220 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117239325499521 + 2882694622500 = 10827711^2 + 1697850^2 .

It is not a de Polignac number, because 120122020122021 - 2²² = 120122015927717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120122020121985 and 120122020122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122020122029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 741493951290 + ... + 741493951451.

Almost surely, 2^{120122020122021} is an apocalyptic number.

It is an amenable number.

120122020122021 is a deficient number, since it is larger than the sum of its proper divisors (59319516109761).

120122020122021 is an equidigital number, since it uses as much as digits as its factorization.

120122020122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482987902753 (or 1482987902744 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120122020122021 its reverse (120221020221021), we get a palindrome (240343040343042).

The spelling of 120122020122021 in words is "one hundred twenty trillion, one hundred twenty-two billion, twenty million, one hundred twenty-two thousand, twenty-one".