12211201111002 has 32 divisors (see below), whose sum is σ = 25859170415232. Its totient is φ = 3830941899264.

The previous prime is 12211201110973. The next prime is 12211201111007. The reversal of 12211201111002 is 20011110211221.

It is a happy number.

It is a super-2 number, since 2×12211201111002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211201111007) 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, 25884043 + ... + 26351585.

It is an arithmetic number, because the mean of its divisors is an integer number (808099075476).

Almost surely, 2^{12211201111002} is an apocalyptic number.

12211201111002 is an abundant number, since it is smaller than the sum of its proper divisors (13647969304230).

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

12211201111002 is a wasteful number, since it uses less digits than its factorization.

12211201111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723622.

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

Adding to 12211201111002 its reverse (20011110211221), we get a palindrome (32222311322223).

The spelling of 12211201111002 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred eleven thousand, two".