201200122221036 has 48 divisors (see below), whose sum is σ = 472238897370240. Its totient is φ = 66671868009600.

The previous prime is 201200122220983. The next prime is 201200122221037. The reversal of 201200122221036 is 630122221002102.

It is a junction number, because it is equal to n+sod(n) for n = 201200122220997 and 201200122221015.

It is not an unprimeable number, because it can be changed into a prime (201200122221037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70654665 + ... + 73447136.

It is an arithmetic number, because the mean of its divisors is an integer number (9838310361880).

Almost surely, 2^{201200122221036} is an apocalyptic number.

It is an amenable number.

201200122221036 is an abundant number, since it is smaller than the sum of its proper divisors (271038775149204).

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

201200122221036 is a wasteful number, since it uses less digits than its factorization.

201200122221036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144102494 (or 144102492 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 201200122221036 its reverse (630122221002102), we get a palindrome (831322343223138).

The spelling of 201200122221036 in words is "two hundred one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, thirty-six".