1031100321122 has 8 divisors (see below), whose sum is σ = 1637629921836. Its totient is φ = 485223680512.

The previous prime is 1031100321103. The next prime is 1031100321127. The reversal of 1031100321122 is 2211230011301.

It can be written as a sum of positive squares in 2 ways, for example, as 1026855928921 + 4244392201 = 1013339^2 + 65149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1031100321122.

It is not an unprimeable number, because it can be changed into a prime (1031100321127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15163239983 + ... + 15163240050.

Almost surely, 2^{1031100321122} is an apocalyptic number.

1031100321122 is a deficient number, since it is larger than the sum of its proper divisors (606529600714).

1031100321122 is a wasteful number, since it uses less digits than its factorization.

1031100321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30326480052.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1031100321122 its reverse (2211230011301), we get a palindrome (3242330332423).

The spelling of 1031100321122 in words is "one trillion, thirty-one billion, one hundred million, three hundred twenty-one thousand, one hundred twenty-two".