2100002023131 has 8 divisors (see below), whose sum is σ = 2801193690624. Its totient is φ = 1399405852200.

The previous prime is 2100002023117. The next prime is 2100002023151. The reversal of 2100002023131 is 1313202000012.

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

It is not a de Polignac number, because 2100002023131 - 2²⁹ = 2099465152219 is a prime.

It is a super-2 number, since 2×2100002023131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100002023131.

It is not an unprimeable number, because it can be changed into a prime (2100002023151) 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, 148865911 + ... + 148880016.

It is an arithmetic number, because the mean of its divisors is an integer number (350149211328).

Almost surely, 2^{2100002023131} is an apocalyptic number.

2100002023131 is a deficient number, since it is larger than the sum of its proper divisors (701191667493).

2100002023131 is a wasteful number, since it uses less digits than its factorization.

2100002023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297748281.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2100002023131 its reverse (1313202000012), we get a palindrome (3413204023143).

The spelling of 2100002023131 in words is "two trillion, one hundred billion, two million, twenty-three thousand, one hundred thirty-one".