11212211102012 has 12 divisors (see below), whose sum is σ = 19621396565400. Its totient is φ = 5606097797616.

The previous prime is 11212211101967. The next prime is 11212211102021. The reversal of 11212211102012 is 21020111221211.

It is a super-2 number, since 2×11212211102012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388614 + ... + 5303762.

It is an arithmetic number, because the mean of its divisors is an integer number (1635116380450).

Almost surely, 2^{11212211102012} is an apocalyptic number.

It is an amenable number.

11212211102012 is a deficient number, since it is larger than the sum of its proper divisors (8409185463388).

11212211102012 is a wasteful number, since it uses less digits than its factorization.

11212211102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876700 (or 3876698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212211102012 its reverse (21020111221211), we get a palindrome (32232322323223).

The spelling of 11212211102012 in words is "eleven trillion, two hundred twelve billion, two hundred eleven million, one hundred two thousand, twelve".