212100231001 has 8 divisors (see below), whose sum is σ = 219615177600. Its totient is φ = 204598694160.

The previous prime is 212100230989. The next prime is 212100231019. The reversal of 212100231001 is 100132001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100231001 is a prime.

It is a super-2 number, since 2×212100231001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100231401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320241 + ... + 3383518.

It is an arithmetic number, because the mean of its divisors is an integer number (27451897200).

Almost surely, 2^212100231001 is an apocalyptic number.

It is an amenable number.

212100231001 is a deficient number, since it is larger than the sum of its proper divisors (7514946599).

212100231001 is a wasteful number, since it uses less digits than its factorization.

212100231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704879.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212100231001 its reverse (100132001212), we get a palindrome (312232232213).

The spelling of 212100231001 in words is "two hundred twelve billion, one hundred million, two hundred thirty-one thousand, one".