21100110233302 has 4 divisors (see below), whose sum is σ = 31650165349956. Its totient is φ = 10550055116650.

The previous prime is 21100110233299. The next prime is 21100110233303. The reversal of 21100110233302 is 20333201100112.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21100110233302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100110233303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275027558324 + ... + 5275027558327.

It is an arithmetic number, because the mean of its divisors is an integer number (7912541337489).

Almost surely, 2^{21100110233302} is an apocalyptic number.

21100110233302 is a deficient number, since it is larger than the sum of its proper divisors (10550055116654).

21100110233302 is a wasteful number, since it uses less digits than its factorization.

21100110233302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550055116653.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21100110233302 its reverse (20333201100112), we get a palindrome (41433311333414).

The spelling of 21100110233302 in words is "twenty-one trillion, one hundred billion, one hundred ten million, two hundred thirty-three thousand, three hundred two".