20201102112200 has 96 divisors (see below), whose sum is σ = 47300037782400. Its totient is φ = 8023435741440.

The previous prime is 20201102112151. The next prime is 20201102112221. The reversal of 20201102112200 is 221120110202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15977642 + ... + 17195558.

It is an arithmetic number, because the mean of its divisors is an integer number (492708726900).

Almost surely, 2^{20201102112200} is an apocalyptic number.

20201102112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201102112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23650018891200).

20201102112200 is an abundant number, since it is smaller than the sum of its proper divisors (27098935670200).

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

20201102112200 is a wasteful number, since it uses less digits than its factorization.

20201102112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218519 (or 1218510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201102112200 its reverse (221120110202), we get a palindrome (20422222222402).

The spelling of 20201102112200 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred twelve thousand, two hundred".