2211122315523 has 32 divisors (see below), whose sum is σ = 3333913090560. Its totient is φ = 1291207599360.

The previous prime is 2211122315483. The next prime is 2211122315533. The reversal of 2211122315523 is 3255132211122.

It is not a de Polignac number, because 2211122315523 - 2²⁰ = 2211121266947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211122315533) 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, 1906090 + ... + 2838207.

It is an arithmetic number, because the mean of its divisors is an integer number (104184784080).

Almost surely, 2^{2211122315523} is an apocalyptic number.

2211122315523 is a deficient number, since it is larger than the sum of its proper divisors (1122790775037).

2211122315523 is a wasteful number, since it uses less digits than its factorization.

2211122315523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744827.

The product of its digits is 7200, while the sum is 30.

Adding to 2211122315523 its reverse (3255132211122), we get a palindrome (5466254526645).

The spelling of 2211122315523 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, three hundred fifteen thousand, five hundred twenty-three".