131001100321222 has 16 divisors (see below), whose sum is σ = 198996666638400. Its totient is φ = 64668941887680.

The previous prime is 131001100321211. The next prime is 131001100321249. The reversal of 131001100321222 is 222123001100131.

It is a super-2 number, since 2×131001100321222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131001100321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11820447 + ... + 20043082.

It is an arithmetic number, because the mean of its divisors is an integer number (12437291664900).

Almost surely, 2^{131001100321222} is an apocalyptic number.

131001100321222 is a deficient number, since it is larger than the sum of its proper divisors (67995566317178).

131001100321222 is a wasteful number, since it uses less digits than its factorization.

131001100321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31889631.

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

Adding to 131001100321222 its reverse (222123001100131), we get a palindrome (353124101421353).

The spelling of 131001100321222 in words is "one hundred thirty-one trillion, one billion, one hundred million, three hundred twenty-one thousand, two hundred twenty-two".