1122210672521 has 2 divisors, whose sum is σ = 1122210672522. Its totient is φ = 1122210672520.

The previous prime is 1122210672509. The next prime is 1122210672553. The reversal of 1122210672521 is 1252760122211.

It is an a-pointer prime, because the next prime (1122210672553) can be obtained adding 1122210672521 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561808712521 + 560401960000 = 749539^2 + 748600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122210672521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122210672221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105336260 + 561105336261.

It is an arithmetic number, because the mean of its divisors is an integer number (561105336261).

Almost surely, 2^{1122210672521} is an apocalyptic number.

It is an amenable number.

1122210672521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122210672521 is an equidigital number, since it uses as much as digits as its factorization.

1122210672521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 1122210672521 its reverse (1252760122211), we get a palindrome (2374970794732).

The spelling of 1122210672521 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, six hundred seventy-two thousand, five hundred twenty-one".