1001131111122 has 64 divisors (see below), whose sum is σ = 2101054685184. Its totient is φ = 317409269760.

The previous prime is 1001131111093. The next prime is 1001131111159. The reversal of 1001131111122 is 2211111311001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91114113 + ... + 91125099.

It is an arithmetic number, because the mean of its divisors is an integer number (32828979456).

Almost surely, 2^{1001131111122} is an apocalyptic number.

1001131111122 is an abundant number, since it is smaller than the sum of its proper divisors (1099923574062).

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

1001131111122 is a wasteful number, since it uses less digits than its factorization.

1001131111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1001131111122 its reverse (2211111311001), we get a palindrome (3212242422123).

The spelling of 1001131111122 in words is "one trillion, one billion, one hundred thirty-one million, one hundred eleven thousand, one hundred twenty-two".