2120120121202 has 32 divisors (see below), whose sum is σ = 3410283446640. Its totient is φ = 985003130880.

The previous prime is 2120120121199. The next prime is 2120120121211. The reversal of 2120120121202 is 2021210210212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1145775427281 + 974344693921 = 1070409^2 + 987089^2 .

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, 563002 + ... + 2134762.

Almost surely, 2^{2120120121202} is an apocalyptic number.

2120120121202 is a deficient number, since it is larger than the sum of its proper divisors (1290163325438).

2120120121202 is a wasteful number, since it uses less digits than its factorization.

2120120121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572286.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120120121202 its reverse (2021210210212), we get a palindrome (4141330331414).

The spelling of 2120120121202 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, two hundred two".