2122102011222 has 80 divisors (see below), whose sum is σ = 5034281733360. Its totient is φ = 666263683008.

The previous prime is 2122102011193. The next prime is 2122102011269. The reversal of 2122102011222 is 2221102012212.

It is a happy number.

2122102011222 is a `hidden beast` number, since 21 + 221 + 0 + 201 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2122102011195 and 2122102011204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1460113 + ... + 2525100.

It is an arithmetic number, because the mean of its divisors is an integer number (62928521667).

Almost surely, 2^{2122102011222} is an apocalyptic number.

2122102011222 is an abundant number, since it is smaller than the sum of its proper divisors (2912179722138).

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

2122102011222 is a wasteful number, since it uses less digits than its factorization.

2122102011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985419 (or 3985410 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122102011222 its reverse (2221102012212), we get a palindrome (4343204023434).

The spelling of 2122102011222 in words is "two trillion, one hundred twenty-two billion, one hundred two million, eleven thousand, two hundred twenty-two".