201102020112 has 160 divisors (see below), whose sum is σ = 627208427520. Its totient is φ = 54239431680.

The previous prime is 201102020107. The next prime is 201102020113. The reversal of 201102020112 is 211020201102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (201102020113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1737853 + ... + 1849955.

It is an arithmetic number, because the mean of its divisors is an integer number (3920052672).

Almost surely, 2^201102020112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201102020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313604213760).

201102020112 is an abundant number, since it is smaller than the sum of its proper divisors (426106407408).

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

201102020112 is a wasteful number, since it uses less digits than its factorization.

201102020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112421 (or 112415 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201102020112 its reverse (211020201102), we get a palindrome (412122221214).

The spelling of 201102020112 in words is "two hundred one billion, one hundred two million, twenty thousand, one hundred twelve".