22021000011112 has 16 divisors (see below), whose sum is σ = 41361939836100. Its totient is φ = 10991149388160.

The previous prime is 22021000011103. The next prime is 22021000011121. The reversal of 22021000011112 is 21111000012022.

It is an interprime number because it is at equal distance from previous prime (22021000011103) and next prime (22021000011121).

It can be written as a sum of positive squares in 2 ways, for example, as 21885049997316 + 135950013796 = 4678146^2 + 368714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22021000011092 and 22021000011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418822339 + ... + 2418831442.

Almost surely, 2^{22021000011112} is an apocalyptic number.

It is an amenable number.

22021000011112 is a deficient number, since it is larger than the sum of its proper divisors (19340939824988).

22021000011112 is a wasteful number, since it uses less digits than its factorization.

22021000011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837654356 (or 4837654352 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22021000011112 its reverse (21111000012022), we get a palindrome (43132000023134).

The spelling of 22021000011112 in words is "twenty-two trillion, twenty-one billion, eleven thousand, one hundred twelve".