2120012121201 has 16 divisors (see below), whose sum is σ = 3044611382400. Its totient is φ = 1304412238080.

The previous prime is 2120012121191. The next prime is 2120012121203. The reversal of 2120012121201 is 1021212100212.

It is not a de Polignac number, because 2120012121201 - 2⁵ = 2120012121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120012121203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4142760 + ... + 4626281.

It is an arithmetic number, because the mean of its divisors is an integer number (190288211400).

Almost surely, 2^{2120012121201} is an apocalyptic number.

It is an amenable number.

2120012121201 is a deficient number, since it is larger than the sum of its proper divisors (924599261199).

2120012121201 is a wasteful number, since it uses less digits than its factorization.

2120012121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775256.

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

Adding to 2120012121201 its reverse (1021212100212), we get a palindrome (3141224221413).

The spelling of 2120012121201 in words is "two trillion, one hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred one".