2121112111022 has 8 divisors (see below), whose sum is σ = 3184240254456. Its totient is φ = 1059698692872.

The previous prime is 2121112111003. The next prime is 2121112111073. The reversal of 2121112111022 is 2201112111212.

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

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 3 ways as a sum of consecutive naturals, for example, 428678228 + ... + 428683175.

It is an arithmetic number, because the mean of its divisors is an integer number (398030031807).

Almost surely, 2^{2121112111022} is an apocalyptic number.

2121112111022 is a deficient number, since it is larger than the sum of its proper divisors (1063128143434).

2121112111022 is a wasteful number, since it uses less digits than its factorization.

2121112111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857362642.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2121112111022 its reverse (2201112111212), we get a palindrome (4322224222234).

The spelling of 2121112111022 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, twenty-two".