10520431115122 has 4 divisors (see below), whose sum is σ = 15780646672686. Its totient is φ = 5260215557560.

The previous prime is 10520431115113. The next prime is 10520431115147. The reversal of 10520431115122 is 22151113402501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10513605215961 + 6825899161 = 3242469^2 + 82619^2 .

It is a super-2 number, since 2×10520431115122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630107778779 + ... + 2630107778782.

Almost surely, 2^{10520431115122} is an apocalyptic number.

10520431115122 is a deficient number, since it is larger than the sum of its proper divisors (5260215557564).

10520431115122 is an equidigital number, since it uses as much as digits as its factorization.

10520431115122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260215557563.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 10520431115122 its reverse (22151113402501), we get a palindrome (32671544517623).

The spelling of 10520431115122 in words is "ten trillion, five hundred twenty billion, four hundred thirty-one million, one hundred fifteen thousand, one hundred twenty-two".