12211220110 has 16 divisors (see below), whose sum is σ = 22074536016. Its totient is φ = 4863523648.

The previous prime is 12211220101. The next prime is 12211220111. The reversal of 12211220110 is 1102211221.

It is a super-2 number, since 2×12211220110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618104 + ... + 2622763.

It is an arithmetic number, because the mean of its divisors is an integer number (1379658501).

Almost surely, 2^12211220110 is an apocalyptic number.

12211220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211220110 is a deficient number, since it is larger than the sum of its proper divisors (9863315906).

12211220110 is a wasteful number, since it uses less digits than its factorization.

12211220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241107.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12211220110 its reverse (1102211221), we get a palindrome (13313431331).

The spelling of 12211220110 in words is "twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred ten".