12211111102002 has 64 divisors (see below), whose sum is σ = 25261949826048. Its totient is φ = 3935059747200.

The previous prime is 12211111101997. The next prime is 12211111102147. The reversal of 12211111102002 is 20020111111221.

It is a happy number.

It is a super-2 number, since 2×12211111102002² (a number of 27 digits) contains 22 as substring.

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, 178175502 + ... + 178244022.

It is an arithmetic number, because the mean of its divisors is an integer number (394717966032).

Almost surely, 2^{12211111102002} is an apocalyptic number.

12211111102002 is an abundant number, since it is smaller than the sum of its proper divisors (13050838724046).

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

12211111102002 is an frugal number, since it uses more digits than its factorization.

12211111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69616 (or 69554 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211111102002 its reverse (20020111111221), we get a palindrome (32231222213223).

The spelling of 12211111102002 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, one hundred two thousand, two".