210011010011992 has 32 divisors (see below), whose sum is σ = 450083223256320. Its totient is φ = 89992792501920.

The previous prime is 210011010011969. The next prime is 210011010011993. The reversal of 210011010011992 is 299110010110012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 210011010011992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011010011993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248033484 + ... + 248878747.

It is an arithmetic number, because the mean of its divisors is an integer number (14065100726760).

Almost surely, 2^{210011010011992} is an apocalyptic number.

It is an amenable number.

210011010011992 is an abundant number, since it is smaller than the sum of its proper divisors (240072213244328).

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

210011010011992 is a wasteful number, since it uses less digits than its factorization.

210011010011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496919791 (or 496919787 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 210011010011992 in words is "two hundred ten trillion, eleven billion, ten million, eleven thousand, nine hundred ninety-two".