2120120101010 has 16 divisors (see below), whose sum is σ = 3947809843800. Its totient is φ = 818805004416.

The previous prime is 2120120101009. The next prime is 2120120101013. The reversal of 2120120101010 is 101010210212.

It can be written as a sum of positive squares in 4 ways, for example, as 1579699573321 + 540420527689 = 1256861^2 + 735133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120120100982 and 2120120101000.

It is not an unprimeable number, because it can be changed into a prime (2120120101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655379195 + ... + 3655379774.

Almost surely, 2^{2120120101010} is an apocalyptic number.

2120120101010 is a deficient number, since it is larger than the sum of its proper divisors (1827689742790).

2120120101010 is a wasteful number, since it uses less digits than its factorization.

2120120101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310759005.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2120120101010 its reverse (101010210212), we get a palindrome (2221130311222).

The spelling of 2120120101010 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred one thousand, ten".