201122002210121 has 8 divisors (see below), whose sum is σ = 202582152792000. Its totient is φ = 199663538691600.

The previous prime is 201122002210027. The next prime is 201122002210147. The reversal of 201122002210121 is 121012200221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201122002210121 - 2⁴⁶ = 130753258032457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122002210121.

It is not an unprimeable number, because it can be changed into a prime (201122002210321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421526546 + ... + 422003403.

It is an arithmetic number, because the mean of its divisors is an integer number (25322769099000).

Almost surely, 2^{201122002210121} is an apocalyptic number.

It is an amenable number.

201122002210121 is a deficient number, since it is larger than the sum of its proper divisors (1460150581879).

201122002210121 is a wasteful number, since it uses less digits than its factorization.

201122002210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843531679.

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

Adding to 201122002210121 its reverse (121012200221102), we get a palindrome (322134202431223).

The spelling of 201122002210121 in words is "two hundred one trillion, one hundred twenty-two billion, two million, two hundred ten thousand, one hundred twenty-one".