10221222012210 has 64 divisors (see below), whose sum is σ = 29734464044160. Its totient is φ = 2477872002240.

The previous prime is 10221222012163. The next prime is 10221222012223. The reversal of 10221222012210 is 1221022212201.

It is a happy number.

10221222012210 is a `hidden beast` number, since 1 + 0 + 221 + 2 + 220 + 1 + 221 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1720741477 + ... + 1720747416.

It is an arithmetic number, because the mean of its divisors is an integer number (464601000690).

Almost surely, 2^{10221222012210} is an apocalyptic number.

10221222012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221222012210 is an abundant number, since it is smaller than the sum of its proper divisors (19513242031950).

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

10221222012210 is a wasteful number, since it uses less digits than its factorization.

10221222012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441488920 (or 3441488914 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221222012210 its reverse (1221022212201), we get a palindrome (11442244224411).

The spelling of 10221222012210 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, twelve thousand, two hundred ten".