11212130312222 has 16 divisors (see below), whose sum is σ = 19317381734400. Its totient is φ = 4781051976888.

The previous prime is 11212130312153. The next prime is 11212130312239. The reversal of 11212130312222 is 22221303121211.

It is a super-2 number, since 2×11212130312222² (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 7 ways as a sum of consecutive naturals, for example, 2012224478 + ... + 2012230049.

It is an arithmetic number, because the mean of its divisors is an integer number (1207336358400).

Almost surely, 2^{11212130312222} is an apocalyptic number.

11212130312222 is a deficient number, since it is larger than the sum of its proper divisors (8105251422178).

11212130312222 is a wasteful number, since it uses less digits than its factorization.

11212130312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024454735.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11212130312222 its reverse (22221303121211), we get a palindrome (33433433433433).

The spelling of 11212130312222 in words is "eleven trillion, two hundred twelve billion, one hundred thirty million, three hundred twelve thousand, two hundred twenty-two".