210112212101 has 24 divisors (see below), whose sum is σ = 244724541600. Its totient is φ = 178408288800.

The previous prime is 210112212049. The next prime is 210112212137. The reversal of 210112212101 is 101212211012.

It is not a de Polignac number, because 210112212101 - 2¹⁰ = 210112211077 is a prime.

It is a super-2 number, since 2×210112212101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112212001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953855 + ... + 1153283.

It is an arithmetic number, because the mean of its divisors is an integer number (10196855900).

Almost surely, 2^210112212101 is an apocalyptic number.

It is an amenable number.

210112212101 is a deficient number, since it is larger than the sum of its proper divisors (34612329499).

210112212101 is a wasteful number, since it uses less digits than its factorization.

210112212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199601 (or 199530 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210112212101 its reverse (101212211012), we get a palindrome (311324423113).

The spelling of 210112212101 in words is "two hundred ten billion, one hundred twelve million, two hundred twelve thousand, one hundred one".