210211101023 has 16 divisors (see below), whose sum is σ = 262120921344. Its totient is φ = 163776140160.

The previous prime is 210211101013. The next prime is 210211101031. The reversal of 210211101023 is 320101112012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210211101023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210211100989 and 210211101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211101013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316136 + ... + 721362.

It is an arithmetic number, because the mean of its divisors is an integer number (16382557584).

Almost surely, 2^210211101023 is an apocalyptic number.

210211101023 is a deficient number, since it is larger than the sum of its proper divisors (51909820321).

210211101023 is a wasteful number, since it uses less digits than its factorization.

210211101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411982.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210211101023 its reverse (320101112012), we get a palindrome (530312213035).

The spelling of 210211101023 in words is "two hundred ten billion, two hundred eleven million, one hundred one thousand, twenty-three".