221103121331013 has 8 divisors (see below), whose sum is σ = 294952081582848. Its totient is φ = 147328120983264.

The previous prime is 221103121330981. The next prime is 221103121331023. The reversal of 221103121331013 is 310133121301122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221103121331013 - 2⁵ = 221103121330981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221103121331023) 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, 18489969045 + ... + 18489981002.

It is an arithmetic number, because the mean of its divisors is an integer number (36869010197856).

Almost surely, 2^{221103121331013} is an apocalyptic number.

It is an amenable number.

221103121331013 is a deficient number, since it is larger than the sum of its proper divisors (73848960251835).

221103121331013 is a wasteful number, since it uses less digits than its factorization.

221103121331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36979952043.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 221103121331013 its reverse (310133121301122), we get a palindrome (531236242632135).

The spelling of 221103121331013 in words is "two hundred twenty-one trillion, one hundred three billion, one hundred twenty-one million, three hundred thirty-one thousand, thirteen".