11010211111992 has 128 divisors (see below), whose sum is σ = 30689620070400. Its totient is φ = 3271209984000.

The previous prime is 11010211111981. The next prime is 11010211111993. The reversal of 11010211111992 is 29911111201011.

It is a super-2 number, since 2×11010211111992² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211111993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21459817 + ... + 21966887.

It is an arithmetic number, because the mean of its divisors is an integer number (239762656800).

Almost surely, 2^{11010211111992} is an apocalyptic number.

11010211111992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010211111992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15344810035200).

11010211111992 is an abundant number, since it is smaller than the sum of its proper divisors (19679408958408).

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

11010211111992 is a wasteful number, since it uses less digits than its factorization.

11010211111992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509917 (or 509913 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 30.

The spelling of 11010211111992 in words is "eleven trillion, ten billion, two hundred eleven million, one hundred eleven thousand, nine hundred ninety-two".