20112210011112 has 32 divisors (see below), whose sum is σ = 50280949874400. Its totient is φ = 6704013357504.

The previous prime is 20112210011083. The next prime is 20112210011141. The reversal of 20112210011112 is 21111001221102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20112210011083) and next prime (20112210011141).

It is a junction number, because it is equal to n+sod(n) for n = 20112210011091 and 20112210011100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590662 + ... + 6369717.

It is an arithmetic number, because the mean of its divisors is an integer number (1571279683575).

Almost surely, 2^{20112210011112} is an apocalyptic number.

It is an amenable number.

20112210011112 is an abundant number, since it is smaller than the sum of its proper divisors (30168739863288).

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

20112210011112 is a wasteful number, since it uses less digits than its factorization.

20112210011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080785 (or 7080781 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20112210011112 its reverse (21111001221102), we get a palindrome (41223211232214).

The spelling of 20112210011112 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, eleven thousand, one hundred twelve".