201301262312221 has 4 divisors (see below), whose sum is σ = 204136491358944. Its totient is φ = 198466033265500.

The previous prime is 201301262312177. The next prime is 201301262312231. The reversal of 201301262312221 is 122213262103102.

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 201301262312221 - 2⁷ = 201301262312093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201301262312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201301262312231) 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, 1417614523255 + ... + 1417614523396.

It is an arithmetic number, because the mean of its divisors is an integer number (51034122839736).

Almost surely, 2^{201301262312221} is an apocalyptic number.

It is an amenable number.

201301262312221 is a deficient number, since it is larger than the sum of its proper divisors (2835229046723).

201301262312221 is an equidigital number, since it uses as much as digits as its factorization.

201301262312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835229046722.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 201301262312221 in words is "two hundred one trillion, three hundred one billion, two hundred sixty-two million, three hundred twelve thousand, two hundred twenty-one".