100131321001222 has 32 divisors (see below), whose sum is σ = 172168617374208. Its totient is φ = 42784700466816.

The previous prime is 100131321001211. The next prime is 100131321001223. The reversal of 100131321001222 is 222100123131001.

It is a self number, because there is not a number n which added to its sum of digits gives 100131321001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131321001223) 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, 152852463 + ... + 153506149.

It is an arithmetic number, because the mean of its divisors is an integer number (5380269292944).

Almost surely, 2^{100131321001222} is an apocalyptic number.

100131321001222 is a deficient number, since it is larger than the sum of its proper divisors (72037296372986).

100131321001222 is a wasteful number, since it uses less digits than its factorization.

100131321001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686500.

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

Adding to 100131321001222 its reverse (222100123131001), we get a palindrome (322231444132223).

The spelling of 100131321001222 in words is "one hundred trillion, one hundred thirty-one billion, three hundred twenty-one million, one thousand, two hundred twenty-two".