221100342004401 has 8 divisors (see below), whose sum is σ = 301656280564320. Its totient is φ = 143972315723712.

The previous prime is 221100342004397. The next prime is 221100342004417. The reversal of 221100342004401 is 104400243001122.

221100342004401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221100342004401 - 2² = 221100342004397 is a prime.

It is a super-2 number, since 2×221100342004401² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221100342004001) 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, 856978069656 + ... + 856978069913.

It is an arithmetic number, because the mean of its divisors is an integer number (37707035070540).

Almost surely, 2^{221100342004401} is an apocalyptic number.

It is an amenable number.

221100342004401 is a deficient number, since it is larger than the sum of its proper divisors (80555938559919).

221100342004401 is a wasteful number, since it uses less digits than its factorization.

221100342004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713956139615.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 221100342004401 its reverse (104400243001122), we get a palindrome (325500585005523).

The spelling of 221100342004401 in words is "two hundred twenty-one trillion, one hundred billion, three hundred forty-two million, four thousand, four hundred one".