131001222201 has 64 divisors (see below), whose sum is σ = 187127808000. Its totient is φ = 81396057600.

The previous prime is 131001222161. The next prime is 131001222217. The reversal of 131001222201 is 102222100131.

It is not a de Polignac number, because 131001222201 - 2⁷ = 131001222073 is a prime.

It is a super-2 number, since 2×131001222201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131001222101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71545356 + ... + 71547186.

It is an arithmetic number, because the mean of its divisors is an integer number (2923872000).

Almost surely, 2^131001222201 is an apocalyptic number.

It is an amenable number.

131001222201 is a deficient number, since it is larger than the sum of its proper divisors (56126585799).

131001222201 is a wasteful number, since it uses less digits than its factorization.

131001222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131001222201 its reverse (102222100131), we get a palindrome (233223322332).

The spelling of 131001222201 in words is "one hundred thirty-one billion, one million, two hundred twenty-two thousand, two hundred one".