221342132301 has 16 divisors (see below), whose sum is σ = 296286120000. Its totient is φ = 146980184960.

The previous prime is 221342132279. The next prime is 221342132303. The reversal of 221342132301 is 103231243122.

It is a cyclic number.

It is not a de Polignac number, because 221342132301 - 2⁵ = 221342132269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221342132303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221450 + ... + 2318948.

It is an arithmetic number, because the mean of its divisors is an integer number (18517882500).

Almost surely, 2^221342132301 is an apocalyptic number.

It is an amenable number.

221342132301 is a deficient number, since it is larger than the sum of its proper divisors (74943987699).

221342132301 is a wasteful number, since it uses less digits than its factorization.

221342132301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100476.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221342132301 its reverse (103231243122), we get a palindrome (324573375423).

The spelling of 221342132301 in words is "two hundred twenty-one billion, three hundred forty-two million, one hundred thirty-two thousand, three hundred one".