2101102231 has 4 divisors (see below), whose sum is σ = 2101489272. Its totient is φ = 2100715192.

The previous prime is 2101102217. The next prime is 2101102247. The reversal of 2101102231 is 1322011012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101102231 - 2¹⁵ = 2101069463 is a prime.

It is a super-2 number, since 2×2101102231² = 8829261170226354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101102261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185260 + ... + 196273.

It is an arithmetic number, because the mean of its divisors is an integer number (525372318).

Almost surely, 2^2101102231 is an apocalyptic number.

2101102231 is a deficient number, since it is larger than the sum of its proper divisors (387041).

2101102231 is an equidigital number, since it uses as much as digits as its factorization.

2101102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387040.

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

The square root of 2101102231 is about 45837.7816980709. The cubic root of 2101102231 is about 1280.8031724755.

Adding to 2101102231 its reverse (1322011012), we get a palindrome (3423113243).

The spelling of 2101102231 in words is "two billion, one hundred one million, one hundred two thousand, two hundred thirty-one".