2203134145121 has 48 divisors (see below), whose sum is σ = 2849541811200. Its totient is φ = 1686588946560.

The previous prime is 2203134145087. The next prime is 2203134145169. The reversal of 2203134145121 is 1215414313022.

It is a happy number.

It is not a de Polignac number, because 2203134145121 - 2¹⁰ = 2203134144097 is a prime.

It is a super-2 number, since 2×2203134145121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2203134145021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197602655 + ... + 197613803.

It is an arithmetic number, because the mean of its divisors is an integer number (59365454400).

Almost surely, 2^{2203134145121} is an apocalyptic number.

It is an amenable number.

2203134145121 is a deficient number, since it is larger than the sum of its proper divisors (646407666079).

2203134145121 is a wasteful number, since it uses less digits than its factorization.

2203134145121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21214 (or 21207 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 2203134145121 its reverse (1215414313022), we get a palindrome (3418548458143).

The spelling of 2203134145121 in words is "two trillion, two hundred three billion, one hundred thirty-four million, one hundred forty-five thousand, one hundred twenty-one".