210120121130 has 16 divisors (see below), whose sum is σ = 379246786560. Its totient is φ = 83819033232.

The previous prime is 210120121129. The next prime is 210120121147. The reversal of 210120121130 is 31121021012.

It is an unprimeable number.

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, 28623050 + ... + 28630389.

It is an arithmetic number, because the mean of its divisors is an integer number (23702924160).

Almost surely, 2^210120121130 is an apocalyptic number.

210120121130 is a deficient number, since it is larger than the sum of its proper divisors (169126665430).

210120121130 is a wasteful number, since it uses less digits than its factorization.

210120121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57253813.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210120121130 its reverse (31121021012), we get a palindrome (241241142142).

The spelling of 210120121130 in words is "two hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty".