22121010002210 has 32 divisors (see below), whose sum is σ = 45710140879872. Its totient is φ = 7550335759680.

The previous prime is 22121010002167. The next prime is 22121010002269. The reversal of 22121010002210 is 1220001012122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

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, 708536921 + ... + 708568140.

It is an arithmetic number, because the mean of its divisors is an integer number (1428441902496).

Almost surely, 2^{22121010002210} is an apocalyptic number.

22121010002210 is an abundant number, since it is smaller than the sum of its proper divisors (23589130877662).

22121010002210 is a wasteful number, since it uses less digits than its factorization.

22121010002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417105298.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22121010002210 its reverse (1220001012122), we get a palindrome (23341011014332).

The spelling of 22121010002210 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, two thousand, two hundred ten".