2120002201121 has 16 divisors (see below), whose sum is σ = 2444144693760. Its totient is φ = 1801249047360.

The previous prime is 2120002201111. The next prime is 2120002201129. The reversal of 2120002201121 is 1211022000212.

It is a de Polignac number, because none of the positive numbers 2^k-2120002201121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120002201096 and 2120002201105.

It is not an unprimeable number, because it can be changed into a prime (2120002201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462726 + ... + 3210143.

It is an arithmetic number, because the mean of its divisors is an integer number (152759043360).

Almost surely, 2^{2120002201121} is an apocalyptic number.

It is an amenable number.

2120002201121 is a deficient number, since it is larger than the sum of its proper divisors (324142492639).

2120002201121 is a wasteful number, since it uses less digits than its factorization.

2120002201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673344.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120002201121 its reverse (1211022000212), we get a palindrome (3331024201333).

The spelling of 2120002201121 in words is "two trillion, one hundred twenty billion, two million, two hundred one thousand, one hundred twenty-one".