221031423334001 has 24 divisors (see below), whose sum is σ = 264070108223040. Its totient is φ = 181216717155936.

The previous prime is 221031423333961. The next prime is 221031423334013. The reversal of 221031423334001 is 100433324130122.

221031423334001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-221031423334001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221031423337001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617677790 + ... + 618035528.

It is an arithmetic number, because the mean of its divisors is an integer number (11002921175960).

Almost surely, 2^{221031423334001} is an apocalyptic number.

It is an amenable number.

221031423334001 is a deficient number, since it is larger than the sum of its proper divisors (43038684889039).

221031423334001 is a wasteful number, since it uses less digits than its factorization.

221031423334001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524645 (or 524622 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221031423334001 its reverse (100433324130122), we get a palindrome (321464747464123).

The spelling of 221031423334001 in words is "two hundred twenty-one trillion, thirty-one billion, four hundred twenty-three million, three hundred thirty-four thousand, one".