2100240101 has 4 divisors (see below), whose sum is σ = 2191554912. Its totient is φ = 2008925292.

The previous prime is 2100240097. The next prime is 2100240113. The reversal of 2100240101 is 1010420012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100240101 - 2² = 2100240097 is a prime.

It is a super-2 number, since 2×2100240101² = 8822016963696980402, 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 (2100240151) 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, 45657371 + ... + 45657416.

It is an arithmetic number, because the mean of its divisors is an integer number (547888728).

Almost surely, 2^2100240101 is an apocalyptic number.

It is an amenable number.

2100240101 is a deficient number, since it is larger than the sum of its proper divisors (91314811).

2100240101 is an equidigital number, since it uses as much as digits as its factorization.

2100240101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91314810.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2100240101 is about 45828.3765913653. The cubic root of 2100240101 is about 1280.6279676257.

Adding to 2100240101 its reverse (1010420012), we get a palindrome (3110660113).

The spelling of 2100240101 in words is "two billion, one hundred million, two hundred forty thousand, one hundred one".