2112021121222 has 8 divisors (see below), whose sum is σ = 3168123615000. Its totient is φ = 1055979916224.

The previous prime is 2112021121169. The next prime is 2112021121291. The reversal of 2112021121222 is 2221211202112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2112021121222.

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, 15235947 + ... + 15373942.

It is an arithmetic number, because the mean of its divisors is an integer number (396015451875).

Almost surely, 2^{2112021121222} is an apocalyptic number.

2112021121222 is a deficient number, since it is larger than the sum of its proper divisors (1056102493778).

2112021121222 is a wasteful number, since it uses less digits than its factorization.

2112021121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30644390.

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

Adding to 2112021121222 its reverse (2221211202112), we get a palindrome (4333232323334).

The spelling of 2112021121222 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".