201222203001 has 4 divisors (see below), whose sum is σ = 268296270672. Its totient is φ = 134148135332.

The previous prime is 201222202999. The next prime is 201222203041. The reversal of 201222203001 is 100302222102.

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 not a de Polignac number, because 201222203001 - 2¹ = 201222202999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201222203041) 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, 33537033831 + ... + 33537033836.

It is an arithmetic number, because the mean of its divisors is an integer number (67074067668).

Almost surely, 2^201222203001 is an apocalyptic number.

It is an amenable number.

201222203001 is a deficient number, since it is larger than the sum of its proper divisors (67074067671).

201222203001 is an equidigital number, since it uses as much as digits as its factorization.

201222203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67074067670.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201222203001 its reverse (100302222102), we get a palindrome (301524425103).

The spelling of 201222203001 in words is "two hundred one billion, two hundred twenty-two million, two hundred three thousand, one".