20011102222112 has 24 divisors (see below), whose sum is σ = 39460709819916. Its totient is φ = 9989334648832.

The previous prime is 20011102222093. The next prime is 20011102222121. The reversal of 20011102222112 is 21122220111002.

It can be written as a sum of positive squares in 2 ways, for example, as 20001324176656 + 9778045456 = 4472284^2 + 98884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506744393 + ... + 506783880.

Almost surely, 2^{20011102222112} is an apocalyptic number.

It is an amenable number.

20011102222112 is a deficient number, since it is larger than the sum of its proper divisors (19449607597804).

20011102222112 is a wasteful number, since it uses less digits than its factorization.

20011102222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013528900 (or 1013528892 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20011102222112 its reverse (21122220111002), we get a palindrome (41133322333114).

The spelling of 20011102222112 in words is "twenty trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twelve".