20102202211112 has 32 divisors (see below), whose sum is σ = 43254886825920. Its totient is φ = 8579481672960.

The previous prime is 20102202211109. The next prime is 20102202211121. The reversal of 20102202211112 is 21111220220102.

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, 744733178 + ... + 744760169.

It is an arithmetic number, because the mean of its divisors is an integer number (1351715213310).

Almost surely, 2^{20102202211112} is an apocalyptic number.

It is an amenable number.

20102202211112 is an abundant number, since it is smaller than the sum of its proper divisors (23152684614808).

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

20102202211112 is a wasteful number, since it uses less digits than its factorization.

20102202211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489493601 (or 1489493597 counting only the distinct ones).

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

Adding to 20102202211112 its reverse (21111220220102), we get a palindrome (41213422431214).

The spelling of 20102202211112 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, one hundred twelve".