210285211023 has 64 divisors (see below), whose sum is σ = 322114423680. Its totient is φ = 135521777664.

The previous prime is 210285210953. The next prime is 210285211051. The reversal of 210285211023 is 320112582012.

210285211023 is a `hidden beast` number, since 2 + 10 + 28 + 521 + 102 + 3 = 666.

It is not a de Polignac number, because 210285211023 - 2⁸ = 210285210767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210285211523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27970861 + ... + 27978377.

It is an arithmetic number, because the mean of its divisors is an integer number (5033037870).

Almost surely, 2^210285211023 is an apocalyptic number.

210285211023 is a deficient number, since it is larger than the sum of its proper divisors (111829212657).

210285211023 is a wasteful number, since it uses less digits than its factorization.

210285211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7865 (or 7859 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 210285211023 its reverse (320112582012), we get a palindrome (530397793035).

The spelling of 210285211023 in words is "two hundred ten billion, two hundred eighty-five million, two hundred eleven thousand, twenty-three".