12220111110002 has 4 divisors (see below), whose sum is σ = 18330166665006. Its totient is φ = 6110055555000.

The previous prime is 12220111109911. The next prime is 12220111110023. The reversal of 12220111110002 is 20001111102221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12162453975841 + 57657134161 = 3487471^2 + 240119^2 .

It is a super-2 number, since 2×12220111110002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055027777499 + ... + 3055027777502.

Almost surely, 2^{12220111110002} is an apocalyptic number.

12220111110002 is a deficient number, since it is larger than the sum of its proper divisors (6110055555004).

12220111110002 is an equidigital number, since it uses as much as digits as its factorization.

12220111110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110055555003.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12220111110002 its reverse (20001111102221), we get a palindrome (32221222212223).

The spelling of 12220111110002 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, one hundred ten thousand, two".