201202110090 has 96 divisors (see below), whose sum is σ = 546087484800. Its totient is φ = 51300678528.

The previous prime is 201202110047. The next prime is 201202110103. The reversal of 201202110090 is 90011202102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5568924 + ... + 5604936.

It is an arithmetic number, because the mean of its divisors is an integer number (5688411300).

Almost surely, 2^201202110090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201202110090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273043742400).

201202110090 is an abundant number, since it is smaller than the sum of its proper divisors (344885374710).

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

201202110090 is a wasteful number, since it uses less digits than its factorization.

201202110090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38748 (or 38745 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 201202110090 its reverse (90011202102), we get a palindrome (291213312192).

The spelling of 201202110090 in words is "two hundred one billion, two hundred two million, one hundred ten thousand, ninety".