11101211991928 has 16 divisors (see below), whose sum is σ = 20816668521000. Its totient is φ = 5550100386336.

The previous prime is 11101211991923. The next prime is 11101211991929. The reversal of 11101211991928 is 82919911210111.

11101211991928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101211991923) 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, 63107883 + ... + 63283546.

Almost surely, 2^{11101211991928} is an apocalyptic number.

It is an amenable number.

11101211991928 is a deficient number, since it is larger than the sum of its proper divisors (9715456529072).

11101211991928 is a wasteful number, since it uses less digits than its factorization.

11101211991928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126402414 (or 126402410 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 46.

The spelling of 11101211991928 in words is "eleven trillion, one hundred one billion, two hundred eleven million, nine hundred ninety-one thousand, nine hundred twenty-eight".