21322200000210 has 32 divisors (see below), whose sum is σ = 51173423533440. Its totient is φ = 5685904051968.

The previous prime is 21322200000209. The next prime is 21322200000221. The reversal of 21322200000210 is 1200000222312.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21322200000210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13185226 + ... + 14713754.

It is an arithmetic number, because the mean of its divisors is an integer number (1599169485420).

Almost surely, 2^{21322200000210} is an apocalyptic number.

21322200000210 is an abundant number, since it is smaller than the sum of its proper divisors (29851223533230).

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

21322200000210 is a wasteful number, since it uses less digits than its factorization.

21322200000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993522.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21322200000210 its reverse (1200000222312), we get a palindrome (22522200222522).

The spelling of 21322200000210 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred million, two hundred ten", and thus it is an aban number.