12211102022211 has 6 divisors (see below), whose sum is σ = 17638258476540. Its totient is φ = 8140734681468.

The previous prime is 12211102022183. The next prime is 12211102022411. The reversal of 12211102022211 is 11222020111221.

It is not a de Polignac number, because 12211102022211 - 2¹¹ = 12211102020163 is a prime.

It is a super-2 number, since 2×12211102022211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211102022011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678394556781 + ... + 678394556798.

It is an arithmetic number, because the mean of its divisors is an integer number (2939709746090).

Almost surely, 2^{12211102022211} is an apocalyptic number.

12211102022211 is a deficient number, since it is larger than the sum of its proper divisors (5427156454329).

12211102022211 is a wasteful number, since it uses less digits than its factorization.

12211102022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356789113585 (or 1356789113582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211102022211 its reverse (11222020111221), we get a palindrome (23433122133432).

The spelling of 12211102022211 in words is "twelve trillion, two hundred eleven billion, one hundred two million, twenty-two thousand, two hundred eleven".