201022001201 has 4 divisors (see below), whose sum is σ = 229739429952. Its totient is φ = 172304572452.

The previous prime is 201022001177. The next prime is 201022001209. The reversal of 201022001201 is 102100220102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201022001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022001209) 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, 14358714365 + ... + 14358714378.

It is an arithmetic number, because the mean of its divisors is an integer number (57434857488).

Almost surely, 2^201022001201 is an apocalyptic number.

It is an amenable number.

201022001201 is a deficient number, since it is larger than the sum of its proper divisors (28717428751).

201022001201 is an equidigital number, since it uses as much as digits as its factorization.

201022001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717428750.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201022001201 its reverse (102100220102), we get a palindrome (303122221303).

The spelling of 201022001201 in words is "two hundred one billion, twenty-two million, one thousand, two hundred one".