221102200023 has 16 divisors (see below), whose sum is σ = 304525249536. Its totient is φ = 142546950720.

The previous prime is 221102199979. The next prime is 221102200031. The reversal of 221102200023 is 320002201122.

It is a happy number.

It is not a de Polignac number, because 221102200023 - 2¹³ = 221102191831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221102199975 and 221102200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102270023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696265 + ... + 962802.

It is an arithmetic number, because the mean of its divisors is an integer number (19032828096).

Almost surely, 2^221102200023 is an apocalyptic number.

221102200023 is a deficient number, since it is larger than the sum of its proper divisors (83423049513).

221102200023 is a wasteful number, since it uses less digits than its factorization.

221102200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660534.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 221102200023 its reverse (320002201122), we get a palindrome (541104401145).

The spelling of 221102200023 in words is "two hundred twenty-one billion, one hundred two million, two hundred thousand, twenty-three".