2122111202212 has 96 divisors (see below), whose sum is σ = 4024135987200. Its totient is φ = 976783167360.

The previous prime is 2122111202209. The next prime is 2122111202219. The reversal of 2122111202212 is 2122021112212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122111202212.

It is not an unprimeable number, because it can be changed into a prime (2122111202219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68877603 + ... + 68908405.

It is an arithmetic number, because the mean of its divisors is an integer number (41918083200).

Almost surely, 2^{2122111202212} is an apocalyptic number.

It is an amenable number.

2122111202212 is a deficient number, since it is larger than the sum of its proper divisors (1902024784988).

2122111202212 is a wasteful number, since it uses less digits than its factorization.

2122111202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31153 (or 31151 counting only the distinct ones).

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

Adding to 2122111202212 its reverse (2122021112212), we get a palindrome (4244132314424).

The spelling of 2122111202212 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred twelve".