22211112021102 has 24 divisors (see below), whose sum is σ = 48124370661120. Its totient is φ = 7403658681600.

The previous prime is 22211112021089. The next prime is 22211112021103. The reversal of 22211112021102 is 20112021111222.

22211112021102 is a `hidden beast` number, since 222 + 111 + 120 + 211 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211112021103) 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 11 ways as a sum of consecutive naturals, for example, 686899 + ... + 6700302.

It is an arithmetic number, because the mean of its divisors is an integer number (2005182110880).

Almost surely, 2^{22211112021102} is an apocalyptic number.

22211112021102 is an abundant number, since it is smaller than the sum of its proper divisors (25913258640018).

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

22211112021102 is a wasteful number, since it uses less digits than its factorization.

22211112021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554248 (or 7554245 counting only the distinct ones).

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

Adding to 22211112021102 its reverse (20112021111222), we get a palindrome (42323133132324).

The spelling of 22211112021102 in words is "twenty-two trillion, two hundred eleven billion, one hundred twelve million, twenty-one thousand, one hundred two".