12221011112210 has 32 divisors (see below), whose sum is σ = 22832882601984. Its totient is φ = 4704577416000.

The previous prime is 12221011112153. The next prime is 12221011112213. The reversal of 12221011112210 is 1221111012221.

It is a super-2 number, since 2×12221011112210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12221011112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108846146 + ... + 108958365.

It is an arithmetic number, because the mean of its divisors is an integer number (713527581312).

Almost surely, 2^{12221011112210} is an apocalyptic number.

12221011112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221011112210 is a deficient number, since it is larger than the sum of its proper divisors (10611871489774).

12221011112210 is a wasteful number, since it uses less digits than its factorization.

12221011112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217804730.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12221011112210 its reverse (1221111012221), we get a palindrome (13442122124431).

The spelling of 12221011112210 in words is "twelve trillion, two hundred twenty-one billion, eleven million, one hundred twelve thousand, two hundred ten".