2100002012331 has 8 divisors (see below), whose sum is σ = 2800685793600. Its totient is φ = 1399659786312.

The previous prime is 2100002012279. The next prime is 2100002012333. The reversal of 2100002012331 is 1332102000012.

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

It is not a de Polignac number, because 2100002012331 - 2⁶ = 2100002012267 is a prime.

It is a super-2 number, since 2×2100002012331² (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 2100002012331.

It is not an unprimeable number, because it can be changed into a prime (2100002012333) 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, 85374465 + ... + 85399058.

It is an arithmetic number, because the mean of its divisors is an integer number (350085724200).

Almost surely, 2^{2100002012331} is an apocalyptic number.

2100002012331 is a deficient number, since it is larger than the sum of its proper divisors (700683781269).

2100002012331 is a wasteful number, since it uses less digits than its factorization.

2100002012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170777625.

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

Adding to 2100002012331 its reverse (1332102000012), we get a palindrome (3432104012343).

The spelling of 2100002012331 in words is "two trillion, one hundred billion, two million, twelve thousand, three hundred thirty-one".