1022552130521 has 4 divisors (see below), whose sum is σ = 1034872035792. Its totient is φ = 1010232225252.

The previous prime is 1022552130451. The next prime is 1022552130539. The reversal of 1022552130521 is 1250312552201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022552130521 - 2³⁴ = 1005372261337 is a prime.

It is a super-2 number, since 2×1022552130521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022552130571) 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, 6159952511 + ... + 6159952676.

It is an arithmetic number, because the mean of its divisors is an integer number (258718008948).

Almost surely, 2^{1022552130521} is an apocalyptic number.

It is an amenable number.

1022552130521 is a deficient number, since it is larger than the sum of its proper divisors (12319905271).

1022552130521 is an equidigital number, since it uses as much as digits as its factorization.

1022552130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319905270.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 1022552130521 its reverse (1250312552201), we get a palindrome (2272864682722).

The spelling of 1022552130521 in words is "one trillion, twenty-two billion, five hundred fifty-two million, one hundred thirty thousand, five hundred twenty-one".