2231103320121 has 32 divisors (see below), whose sum is σ = 3290901779200. Its totient is φ = 1335602214144.

The previous prime is 2231103320111. The next prime is 2231103320123. The reversal of 2231103320121 is 1210233011322.

It is not a de Polignac number, because 2231103320121 - 2¹⁰ = 2231103319097 is a prime.

It is a super-3 number, since 3×2231103320121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231103320123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6917355 + ... + 7232703.

It is an arithmetic number, because the mean of its divisors is an integer number (102840680600).

Almost surely, 2^{2231103320121} is an apocalyptic number.

It is an amenable number.

2231103320121 is a deficient number, since it is larger than the sum of its proper divisors (1059798459079).

2231103320121 is a wasteful number, since it uses less digits than its factorization.

2231103320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320305.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231103320121 its reverse (1210233011322), we get a palindrome (3441336331443).

The spelling of 2231103320121 in words is "two trillion, two hundred thirty-one billion, one hundred three million, three hundred twenty thousand, one hundred twenty-one".