2100231211 has 8 divisors (see below), whose sum is σ = 2273509280. Its totient is φ = 1928627712.

The previous prime is 2100231193. The next prime is 2100231239. The reversal of 2100231211 is 1121320012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100231211 - 2⁵ = 2100231179 is a prime.

It is a super-2 number, since 2×2100231211² = 8821942279317053042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100231191 and 2100231200.

It is not an unprimeable number, because it can be changed into a prime (2100231251) 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, 416031 + ... + 421048.

It is an arithmetic number, because the mean of its divisors is an integer number (284188660).

Almost surely, 2^2100231211 is an apocalyptic number.

2100231211 is a deficient number, since it is larger than the sum of its proper divisors (173278069).

2100231211 is a wasteful number, since it uses less digits than its factorization.

2100231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837285.

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

The square root of 2100231211 is about 45828.2795989551. The cubic root of 2100231211 is about 1280.6261607214.

Adding to 2100231211 its reverse (1121320012), we get a palindrome (3221551223).

The spelling of 2100231211 in words is "two billion, one hundred million, two hundred thirty-one thousand, two hundred eleven".