11212101022222 has 8 divisors (see below), whose sum is σ = 16823203556400. Its totient is φ = 5604366503424.

The previous prime is 11212101022163. The next prime is 11212101022237. The reversal of 11212101022222 is 22222010121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11212101022222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212101022222.

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, 841995522 + ... + 842008837.

It is an arithmetic number, because the mean of its divisors is an integer number (2102900444550).

Almost surely, 2^{11212101022222} is an apocalyptic number.

11212101022222 is a deficient number, since it is larger than the sum of its proper divisors (5611102534178).

11212101022222 is a wasteful number, since it uses less digits than its factorization.

11212101022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684007690.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11212101022222 its reverse (22222010121211), we get a palindrome (33434111143433).

The spelling of 11212101022222 in words is "eleven trillion, two hundred twelve billion, one hundred one million, twenty-two thousand, two hundred twenty-two".