101220131310 has 16 divisors (see below), whose sum is σ = 242928315216. Its totient is φ = 26992035008.

The previous prime is 101220131269. The next prime is 101220131329. The reversal of 101220131310 is 13131022101.

It is a happy number.

It is a super-2 number, since 2×101220131310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101220131310.

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, 1687002159 + ... + 1687002218.

It is an arithmetic number, because the mean of its divisors is an integer number (15183019701).

Almost surely, 2^101220131310 is an apocalyptic number.

101220131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220131310 is an abundant number, since it is smaller than the sum of its proper divisors (141708183906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220131310 is a wasteful number, since it uses less digits than its factorization.

101220131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374004387.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101220131310 its reverse (13131022101), we get a palindrome (114351153411).

The spelling of 101220131310 in words is "one hundred one billion, two hundred twenty million, one hundred thirty-one thousand, three hundred ten".