2100001233260 has 96 divisors (see below), whose sum is σ = 5051553722880. Its totient is φ = 718352022528.

The previous prime is 2100001233259. The next prime is 2100001233301. The reversal of 2100001233260 is 623321000012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134031947 + ... + 134047613.

It is an arithmetic number, because the mean of its divisors is an integer number (52620351280).

Almost surely, 2^{2100001233260} is an apocalyptic number.

2100001233260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100001233260 is an abundant number, since it is smaller than the sum of its proper divisors (2951552489620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100001233260 is a wasteful number, since it uses less digits than its factorization.

2100001233260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815 (or 17813 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2100001233260 its reverse (623321000012), we get a palindrome (2723322233272).

The spelling of 2100001233260 in words is "two trillion, one hundred billion, one million, two hundred thirty-three thousand, two hundred sixty".