2122122215536 has 20 divisors (see below), whose sum is σ = 4111652239200. Its totient is φ = 1061050669952.

The previous prime is 2122122215531. The next prime is 2122122215579. The reversal of 2122122215536 is 6355122212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122215531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181100 + ... + 2374708.

It is an arithmetic number, because the mean of its divisors is an integer number (205582611960).

Almost surely, 2^{2122122215536} is an apocalyptic number.

It is an amenable number.

2122122215536 is a deficient number, since it is larger than the sum of its proper divisors (1989530023664).

2122122215536 is a wasteful number, since it uses less digits than its factorization.

2122122215536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304736 (or 1304730 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 2122122215536 its reverse (6355122212212), we get a palindrome (8477244427748).

The spelling of 2122122215536 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred fifteen thousand, five hundred thirty-six".