120010220012121 has 32 divisors (see below), whose sum is σ = 172595574681600. Its totient is φ = 73924962491520.

The previous prime is 120010220012017. The next prime is 120010220012153. The reversal of 120010220012121 is 121210022010021.

It is not a de Polignac number, because 120010220012121 - 2¹³ = 120010220003929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120010220012121.

It is not an unprimeable number, because it can be changed into a prime (120010220012161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20400 + ... + 15492606.

It is an arithmetic number, because the mean of its divisors is an integer number (5393611708800).

Almost surely, 2^{120010220012121} is an apocalyptic number.

It is an amenable number.

120010220012121 is a deficient number, since it is larger than the sum of its proper divisors (52585354669479).

120010220012121 is a wasteful number, since it uses less digits than its factorization.

120010220012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475589.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120010220012121 its reverse (121210022010021), we get a palindrome (241220242022142).

The spelling of 120010220012121 in words is "one hundred twenty trillion, ten billion, two hundred twenty million, twelve thousand, one hundred twenty-one".