21100100012322 has 64 divisors (see below), whose sum is σ = 45922462216704. Its totient is φ = 6436202250240.

The previous prime is 21100100012227. The next prime is 21100100012363. The reversal of 21100100012322 is 22321000100112.

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, 3405922 + ... + 7334882.

It is an arithmetic number, because the mean of its divisors is an integer number (717538472136).

Almost surely, 2^{21100100012322} is an apocalyptic number.

21100100012322 is an abundant number, since it is smaller than the sum of its proper divisors (24822362204382).

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

21100100012322 is a wasteful number, since it uses less digits than its factorization.

21100100012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930443.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21100100012322 its reverse (22321000100112), we get a palindrome (43421100112434).

The spelling of 21100100012322 in words is "twenty-one trillion, one hundred billion, one hundred million, twelve thousand, three hundred twenty-two".