221010203023 has 8 divisors (see below), whose sum is σ = 221836252176. Its totient is φ = 220184472000.

The previous prime is 221010202927. The next prime is 221010203027. The reversal of 221010203023 is 320302010122.

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

It is a cyclic number.

It is not a de Polignac number, because 221010203023 - 2¹³ = 221010194831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221010202988 and 221010203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010203027) 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, 1361073 + ... + 1514773.

It is an arithmetic number, because the mean of its divisors is an integer number (27729531522).

Almost surely, 2^221010203023 is an apocalyptic number.

221010203023 is a deficient number, since it is larger than the sum of its proper divisors (826049153).

221010203023 is a wasteful number, since it uses less digits than its factorization.

221010203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159065.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221010203023 its reverse (320302010122), we get a palindrome (541312213145).

The spelling of 221010203023 in words is "two hundred twenty-one billion, ten million, two hundred three thousand, twenty-three".