11111010001012 has 48 divisors (see below), whose sum is σ = 20159933294592. Its totient is φ = 5352660275040.

The previous prime is 11111010000991. The next prime is 11111010001019. The reversal of 11111010001012 is 21010001011111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111010001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111010001019) 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, 25436683 + ... + 25869805.

It is an arithmetic number, because the mean of its divisors is an integer number (419998610304).

Almost surely, 2^{11111010001012} is an apocalyptic number.

It is an amenable number.

11111010001012 is a deficient number, since it is larger than the sum of its proper divisors (9048923293580).

11111010001012 is a wasteful number, since it uses less digits than its factorization.

11111010001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434068 (or 434066 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11111010001012 its reverse (21010001011111), we get a palindrome (32121011012123).

The spelling of 11111010001012 in words is "eleven trillion, one hundred eleven billion, ten million, one thousand, twelve".