12110221222210 has 16 divisors (see below), whose sum is σ = 21811243485816. Its totient is φ = 4841233980928.

The previous prime is 12110221222207. The next prime is 12110221222219. The reversal of 12110221222210 is 1222212201121.

It can be written as a sum of positive squares in 4 ways, for example, as 11193447526921 + 916773695289 = 3345661^2 + 957483^2 .

It is not an unprimeable number, because it can be changed into a prime (12110221222219) 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, 356795677 + ... + 356829616.

Almost surely, 2^{12110221222210} is an apocalyptic number.

12110221222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12110221222210 is a deficient number, since it is larger than the sum of its proper divisors (9701022263606).

12110221222210 is a wasteful number, since it uses less digits than its factorization.

12110221222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713626997.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12110221222210 its reverse (1222212201121), we get a palindrome (13332433423331).

The spelling of 12110221222210 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".