21112120002022 has 24 divisors (see below), whose sum is σ = 37442404872000. Its totient is φ = 8899722714960.

The previous prime is 21112120001941. The next prime is 21112120002023. The reversal of 21112120002022 is 22020002121112.

It is a happy number.

It is a super-2 number, since 2×21112120002022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21112120001987 and 21112120002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112120002023) 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, 1765812022 + ... + 1765823977.

It is an arithmetic number, because the mean of its divisors is an integer number (1560100203000).

Almost surely, 2^{21112120002022} is an apocalyptic number.

21112120002022 is a deficient number, since it is larger than the sum of its proper divisors (16330284869978).

21112120002022 is a wasteful number, since it uses less digits than its factorization.

21112120002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531636076 (or 3531636069 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21112120002022 its reverse (22020002121112), we get a palindrome (43132122123134).

The spelling of 21112120002022 in words is "twenty-one trillion, one hundred twelve billion, one hundred twenty million, two thousand, twenty-two".