221414132399 has 4 divisors (see below), whose sum is σ = 223483423464. Its totient is φ = 219344841336.

The previous prime is 221414132371. The next prime is 221414132441. The reversal of 221414132399 is 993231414122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221414132399 - 2¹² = 221414128303 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 (221414132339) 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, 1034645372 + ... + 1034645585.

It is an arithmetic number, because the mean of its divisors is an integer number (55870855866).

Almost surely, 2^221414132399 is an apocalyptic number.

221414132399 is a deficient number, since it is larger than the sum of its proper divisors (2069291065).

221414132399 is a wasteful number, since it uses less digits than its factorization.

221414132399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069291064.

The product of its digits is 93312, while the sum is 41.

The spelling of 221414132399 in words is "two hundred twenty-one billion, four hundred fourteen million, one hundred thirty-two thousand, three hundred ninety-nine".