201121010212004 has 96 divisors (see below), whose sum is σ = 377675453675520. Its totient is φ = 93484941580800.

The previous prime is 201121010211971. The next prime is 201121010212007. The reversal of 201121010212004 is 400212010121102.

It is not an unprimeable number, because it can be changed into a prime (201121010212007) 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, 702367292 + ... + 702653580.

It is an arithmetic number, because the mean of its divisors is an integer number (3934119309120).

Almost surely, 2^{201121010212004} is an apocalyptic number.

It is an amenable number.

201121010212004 is a deficient number, since it is larger than the sum of its proper divisors (176554443463516).

201121010212004 is a wasteful number, since it uses less digits than its factorization.

201121010212004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287241 (or 287239 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121010212004 its reverse (400212010121102), we get a palindrome (601333020333106).

The spelling of 201121010212004 in words is "two hundred one trillion, one hundred twenty-one billion, ten million, two hundred twelve thousand, four".