120261162021 has 144 divisors (see below), whose sum is σ = 222223359168. Its totient is φ = 57651834240.

The previous prime is 120261162019. The next prime is 120261162031.

120261162021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120261162021 - 2¹ = 120261162019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120261161982 and 120261162000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120261162001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33064215 + ... + 33067851.

It is an arithmetic number, because the mean of its divisors is an integer number (1543217772).

Almost surely, 2^120261162021 is an apocalyptic number.

120261162021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120261162021 is a deficient number, since it is larger than the sum of its proper divisors (101962197147).

120261162021 is a wasteful number, since it uses less digits than its factorization.

120261162021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

It can be divided in two parts, 120261 and 162021, that added together give a palindrome (282282).

The spelling of 120261162021 in words is "one hundred twenty billion, two hundred sixty-one million, one hundred sixty-two thousand, twenty-one".