201111122001004 has 12 divisors (see below), whose sum is σ = 356399456711200. Its totient is φ = 99282705797808.

The previous prime is 201111122000963. The next prime is 201111122001007. The reversal of 201111122001004 is 400100221111102.

It is not an unprimeable number, because it can be changed into a prime (201111122001007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318213800319 + ... + 318213800950.

Almost surely, 2^{201111122001004} is an apocalyptic number.

It is an amenable number.

201111122001004 is a deficient number, since it is larger than the sum of its proper divisors (155288334710196).

201111122001004 is a wasteful number, since it uses less digits than its factorization.

201111122001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636427601352 (or 636427601350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201111122001004 its reverse (400100221111102), we get a palindrome (601211343112106).

The spelling of 201111122001004 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty-two million, one thousand, four".