221240115339 has 4 divisors (see below), whose sum is σ = 294986820456. Its totient is φ = 147493410224.

The previous prime is 221240115311. The next prime is 221240115353. The reversal of 221240115339 is 933511042122.

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 221240115339 - 2¹³ = 221240107147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221240117339) 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, 36873352554 + ... + 36873352559.

It is an arithmetic number, because the mean of its divisors is an integer number (73746705114).

Almost surely, 2^221240115339 is an apocalyptic number.

221240115339 is a deficient number, since it is larger than the sum of its proper divisors (73746705117).

221240115339 is an equidigital number, since it uses as much as digits as its factorization.

221240115339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73746705116.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 221240115339 in words is "two hundred twenty-one billion, two hundred forty million, one hundred fifteen thousand, three hundred thirty-nine".