2102231101 has 4 divisors (see below), whose sum is σ = 2225891772. Its totient is φ = 1978570432.

The previous prime is 2102231063. The next prime is 2102231113. The reversal of 2102231101 is 1011322012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 735819876 + 1366411225 = 27126^2 + 36965^2 .

It is not a de Polignac number, because 2102231101 - 2⁷ = 2102230973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102232101) 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, 61830310 + ... + 61830343.

It is an arithmetic number, because the mean of its divisors is an integer number (556472943).

Almost surely, 2^2102231101 is an apocalyptic number.

It is an amenable number.

2102231101 is a deficient number, since it is larger than the sum of its proper divisors (123660671).

2102231101 is a wasteful number, since it uses less digits than its factorization.

2102231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123660670.

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

The square root of 2102231101 is about 45850.0937948877. The cubic root of 2102231101 is about 1281.0325126430.

Adding to 2102231101 its reverse (1011322012), we get a palindrome (3113553113).

The spelling of 2102231101 in words is "two billion, one hundred two million, two hundred thirty-one thousand, one hundred one".