2202201020121 has 16 divisors (see below), whose sum is σ = 2986420516800. Its totient is φ = 1443064189248.

The previous prime is 2202201020101. The next prime is 2202201020147. The reversal of 2202201020121 is 1210201022022.

It is not a de Polignac number, because 2202201020121 - 2³⁰ = 2201127278297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202201020121.

It is not an unprimeable number, because it can be changed into a prime (2202201020101) 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, 579975 + ... + 2177331.

It is an arithmetic number, because the mean of its divisors is an integer number (186651282300).

Almost surely, 2^{2202201020121} is an apocalyptic number.

It is an amenable number.

2202201020121 is a deficient number, since it is larger than the sum of its proper divisors (784219496679).

2202201020121 is a wasteful number, since it uses less digits than its factorization.

2202201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605208.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2202201020121 its reverse (1210201022022), we get a palindrome (3412402042143).

The spelling of 2202201020121 in words is "two trillion, two hundred two billion, two hundred one million, twenty thousand, one hundred twenty-one".