2100000123330 has 128 divisors (see below), whose sum is σ = 5263063499520. Its totient is φ = 535729904640.

The previous prime is 2100000123307. The next prime is 2100000123343. The reversal of 2100000123330 is 333210000012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272122632 + ... + 272130348.

It is an arithmetic number, because the mean of its divisors is an integer number (41117683590).

Almost surely, 2^{2100000123330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100000123330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631531749760).

2100000123330 is an abundant number, since it is smaller than the sum of its proper divisors (3163063376190).

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

2100000123330 is a wasteful number, since it uses less digits than its factorization.

2100000123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11844.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2100000123330 its reverse (333210000012), we get a palindrome (2433210123342).

The spelling of 2100000123330 in words is "two trillion, one hundred billion, one hundred twenty-three thousand, three hundred thirty".