11111002101992 has 96 divisors (see below), whose sum is σ = 22883832780480. Its totient is φ = 5054346984960.

The previous prime is 11111002101923. The next prime is 11111002102001. The reversal of 11111002101992 is 29910120011111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340467308 + ... + 340499940.

It is an arithmetic number, because the mean of its divisors is an integer number (238373258130).

Almost surely, 2^{11111002101992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111002101992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11441916390240).

11111002101992 is an abundant number, since it is smaller than the sum of its proper divisors (11772830678488).

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

11111002101992 is a wasteful number, since it uses less digits than its factorization.

11111002101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36283 (or 36266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 11111002101992 in words is "eleven trillion, one hundred eleven billion, two million, one hundred one thousand, nine hundred ninety-two".