2122212222102 has 32 divisors (see below), whose sum is σ = 4855578393600. Its totient is φ = 605745399168.

The previous prime is 2122212222079. The next prime is 2122212222103. The reversal of 2122212222102 is 2012222122212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212222103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24996702 + ... + 25081457.

It is an arithmetic number, because the mean of its divisors is an integer number (151736824800).

Almost surely, 2^{2122212222102} is an apocalyptic number.

2122212222102 is an abundant number, since it is smaller than the sum of its proper divisors (2733366171498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122212222102 is a wasteful number, since it uses less digits than its factorization.

2122212222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50079180.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2122212222102 its reverse (2012222122212), we get a palindrome (4134434344314).

The spelling of 2122212222102 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".