13222122011 has 16 divisors (see below), whose sum is σ = 16003008000. Its totient is φ = 10664499840.

The previous prime is 13222121993. The next prime is 13222122049. The reversal of 13222122011 is 11022122231.

It is a de Polignac number, because none of the positive numbers 2^k-13222122011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (13222122071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972740 + ... + 986238.

It is an arithmetic number, because the mean of its divisors is an integer number (1000188000).

Almost surely, 2^13222122011 is an apocalyptic number.

13222122011 is a deficient number, since it is larger than the sum of its proper divisors (2780885989).

13222122011 is a wasteful number, since it uses less digits than its factorization.

13222122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21754.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13222122011 its reverse (11022122231), we get a palindrome (24244244242).

The spelling of 13222122011 in words is "thirteen billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".