211266252030 has 32 divisors (see below), whose sum is σ = 536864829984. Its totient is φ = 53023686656.

The previous prime is 211266252007. The next prime is 211266252053. The reversal of 211266252030 is 30252662112.

It is an interprime number because it is at equal distance from previous prime (211266252007) and next prime (211266252053).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 207123267 + ... + 207124286.

It is an arithmetic number, because the mean of its divisors is an integer number (16777025937).

Almost surely, 2^211266252030 is an apocalyptic number.

211266252030 is an abundant number, since it is smaller than the sum of its proper divisors (325598577954).

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

211266252030 is a wasteful number, since it uses less digits than its factorization.

211266252030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414247580.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 211266252030 in words is "two hundred eleven billion, two hundred sixty-six million, two hundred fifty-two thousand, thirty".