211002192 has 80 divisors (see below), whose sum is σ = 608086080. Its totient is φ = 70051968.

The previous prime is 211002167. The next prime is 211002217. The reversal of 211002192 is 291200112.

It is an interprime number because it is at equal distance from previous prime (211002167) and next prime (211002217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125743 + ... + 127409.

It is an arithmetic number, because the mean of its divisors is an integer number (7601076).

Almost surely, 2^211002192 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 211002192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304043040).

211002192 is an abundant number, since it is smaller than the sum of its proper divisors (397083888).

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

211002192 is a wasteful number, since it uses less digits than its factorization.

211002192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 211002192 is about 14525.9144978896. The cubic root of 211002192 is about 595.3362428747.

The spelling of 211002192 in words is "two hundred eleven million, two thousand, one hundred ninety-two".