201200122221004 has 24 divisors (see below), whose sum is σ = 357208209792000. Its totient is φ = 99141814962960.

The previous prime is 201200122220983. The next prime is 201200122221037. The reversal of 201200122221004 is 400122221002102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146974194 + ... + 148336825.

It is an arithmetic number, because the mean of its divisors is an integer number (14883675408000).

Almost surely, 2^{201200122221004} is an apocalyptic number.

It is an amenable number.

201200122221004 is a deficient number, since it is larger than the sum of its proper divisors (156008087570996).

201200122221004 is a wasteful number, since it uses less digits than its factorization.

201200122221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295313493 (or 295313491 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201200122221004 its reverse (400122221002102), we get a palindrome (601322343223106).

The spelling of 201200122221004 in words is "two hundred one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, four".