201402311221 has 8 divisors (see below), whose sum is σ = 210722371200. Its totient is φ = 192129204432.

The previous prime is 201402311203. The next prime is 201402311251. The reversal of 201402311221 is 122113204102.

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 201402311221 - 2¹⁹ = 201401786933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201402311251) 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, 11729521 + ... + 11746678.

It is an arithmetic number, because the mean of its divisors is an integer number (26340296400).

Almost surely, 2^201402311221 is an apocalyptic number.

It is an amenable number.

201402311221 is a deficient number, since it is larger than the sum of its proper divisors (9320059979).

201402311221 is a wasteful number, since it uses less digits than its factorization.

201402311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23476595.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201402311221 its reverse (122113204102), we get a palindrome (323515515323).

The spelling of 201402311221 in words is "two hundred one billion, four hundred two million, three hundred eleven thousand, two hundred twenty-one".