22102021212111 has 24 divisors (see below), whose sum is σ = 31997566255824. Its totient is φ = 14701268010240.

The previous prime is 22102021212091. The next prime is 22102021212179. The reversal of 22102021212111 is 11121212020122.

22102021212111 is a `hidden beast` number, since 221 + 0 + 20 + 212 + 1 + 211 + 1 = 666.

It is not a de Polignac number, because 22102021212111 - 2¹⁰ = 22102021211087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102021212191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18588585 + ... + 19741821.

It is an arithmetic number, because the mean of its divisors is an integer number (1333231927326).

Almost surely, 2^{22102021212111} is an apocalyptic number.

22102021212111 is a deficient number, since it is larger than the sum of its proper divisors (9895545043713).

22102021212111 is a wasteful number, since it uses less digits than its factorization.

22102021212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158071 (or 1158068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22102021212111 its reverse (11121212020122), we get a palindrome (33223233232233).

The spelling of 22102021212111 in words is "twenty-two trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, one hundred eleven".