221122131013 has 8 divisors (see below), whose sum is σ = 253573504128. Its totient is φ = 188886382224.

The previous prime is 221122130969. The next prime is 221122131019. The reversal of 221122131013 is 310131221122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221122131013 - 2³⁷ = 83683177541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122131019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53903881 + ... + 53907982.

It is an arithmetic number, because the mean of its divisors is an integer number (31696688016).

Almost surely, 2^221122131013 is an apocalyptic number.

It is an amenable number.

221122131013 is a deficient number, since it is larger than the sum of its proper divisors (32451373115).

221122131013 is a wasteful number, since it uses less digits than its factorization.

221122131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107812163.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221122131013 its reverse (310131221122), we get a palindrome (531253352135).

The spelling of 221122131013 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred thirty-one thousand, thirteen".