1001111100913 has 16 divisors (see below), whose sum is σ = 1321558429824. Its totient is φ = 734199125760.

The previous prime is 1001111100877. The next prime is 1001111100959. The reversal of 1001111100913 is 3190011111001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1001111100913 - 2¹³ = 1001111092721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001111110913) 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, 382394070 + ... + 382396687.

It is an arithmetic number, because the mean of its divisors is an integer number (82597401864).

Almost surely, 2^{1001111100913} is an apocalyptic number.

It is an amenable number.

1001111100913 is a deficient number, since it is larger than the sum of its proper divisors (320447328911).

1001111100913 is a wasteful number, since it uses less digits than its factorization.

1001111100913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764790792.

The product of its (nonzero) digits is 27, while the sum is 19.

Adding to 1001111100913 its reverse (3190011111001), we get a palindrome (4191122211914).

The spelling of 1001111100913 in words is "one trillion, one billion, one hundred eleven million, one hundred thousand, nine hundred thirteen".