10221211322210 has 64 divisors (see below), whose sum is σ = 22108173778944. Its totient is φ = 3326461195200.

The previous prime is 10221211322177. The next prime is 10221211322213. The reversal of 10221211322210 is 1222311212201.

It is not an unprimeable number, because it can be changed into a prime (10221211322213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24020306 + ... + 24442125.

It is an arithmetic number, because the mean of its divisors is an integer number (345440215296).

Almost surely, 2^{10221211322210} is an apocalyptic number.

10221211322210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221211322210 is an abundant number, since it is smaller than the sum of its proper divisors (11886962456734).

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

10221211322210 is a wasteful number, since it uses less digits than its factorization.

10221211322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48462599.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10221211322210 its reverse (1222311212201), we get a palindrome (11443522534411).

The spelling of 10221211322210 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, three hundred twenty-two thousand, two hundred ten".