131301221222 has 16 divisors (see below), whose sum is σ = 204656941440. Its totient is φ = 63102544512.

The previous prime is 131301221221. The next prime is 131301221263. The reversal of 131301221222 is 222122103131.

It is a junction number, because it is equal to n+sod(n) for n = 131301221194 and 131301221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301221221) 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, 5062883 + ... + 5088750.

It is an arithmetic number, because the mean of its divisors is an integer number (12791058840).

Almost surely, 2^131301221222 is an apocalyptic number.

131301221222 is a deficient number, since it is larger than the sum of its proper divisors (73355720218).

131301221222 is a wasteful number, since it uses less digits than its factorization.

131301221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151887.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131301221222 its reverse (222122103131), we get a palindrome (353423324353).

The spelling of 131301221222 in words is "one hundred thirty-one billion, three hundred one million, two hundred twenty-one thousand, two hundred twenty-two".