221023102103 has 16 divisors (see below), whose sum is σ = 225710150400. Its totient is φ = 216391243200.

The previous prime is 221023102087. The next prime is 221023102147. The reversal of 221023102103 is 301201320122.

It is a cyclic number.

It is not a de Polignac number, because 221023102103 - 2⁴ = 221023102087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221023105103) 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, 5230283 + ... + 5272371.

It is an arithmetic number, because the mean of its divisors is an integer number (14106884400).

Almost surely, 2^221023102103 is an apocalyptic number.

221023102103 is a deficient number, since it is larger than the sum of its proper divisors (4687048297).

221023102103 is a wasteful number, since it uses less digits than its factorization.

221023102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42742.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221023102103 its reverse (301201320122), we get a palindrome (522224422225).

The spelling of 221023102103 in words is "two hundred twenty-one billion, twenty-three million, one hundred two thousand, one hundred three".