201121012204 has 12 divisors (see below), whose sum is σ = 402242024464. Its totient is φ = 86194719504.

The previous prime is 201121012177. The next prime is 201121012229. The reversal of 201121012204 is 402210121102.

201121012204 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591446619 + ... + 3591446674.

Almost surely, 2^201121012204 is an apocalyptic number.

It is an amenable number.

201121012204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201121012204 is a wasteful number, since it uses less digits than its factorization.

201121012204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182893304 (or 7182893302 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201121012204 its reverse (402210121102), we get a palindrome (603331133306).

The spelling of 201121012204 in words is "two hundred one billion, one hundred twenty-one million, twelve thousand, two hundred four".