2100242501 has 32 divisors (see below), whose sum is σ = 2613288960. Its totient is φ = 1647936576.

The previous prime is 2100242491. The next prime is 2100242513. The reversal of 2100242501 is 1052420012.

It is not a de Polignac number, because 2100242501 - 2²⁶ = 2033133637 is a prime.

It is a super-2 number, since 2×2100242501² = 8822037126013470002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100242501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100242201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470060 + ... + 474506.

It is an arithmetic number, because the mean of its divisors is an integer number (81665280).

Almost surely, 2^2100242501 is an apocalyptic number.

It is an amenable number.

2100242501 is a deficient number, since it is larger than the sum of its proper divisors (513046459).

2100242501 is a wasteful number, since it uses less digits than its factorization.

2100242501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2100242501 is about 45828.4027760078. The cubic root of 2100242501 is about 1280.6284554280.

Adding to 2100242501 its reverse (1052420012), we get a palindrome (3152662513).

The spelling of 2100242501 in words is "two billion, one hundred million, two hundred forty-two thousand, five hundred one".