1013522322251 has 4 divisors (see below), whose sum is σ = 1014702209400. Its totient is φ = 1012342435104.

The previous prime is 1013522322187. The next prime is 1013522322269. The reversal of 1013522322251 is 1522232253101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1013522322251 - 2⁶ = 1013522322187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013522322271) 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, 589942286 + ... + 589944003.

It is an arithmetic number, because the mean of its divisors is an integer number (253675552350).

Almost surely, 2^{1013522322251} is an apocalyptic number.

1013522322251 is a deficient number, since it is larger than the sum of its proper divisors (1179887149).

1013522322251 is an equidigital number, since it uses as much as digits as its factorization.

1013522322251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179887148.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1013522322251 its reverse (1522232253101), we get a palindrome (2535754575352).

The spelling of 1013522322251 in words is "one trillion, thirteen billion, five hundred twenty-two million, three hundred twenty-two thousand, two hundred fifty-one".