221210110023 has 8 divisors (see below), whose sum is σ = 337082072448. Its totient is φ = 126405777144.

The previous prime is 221210110019. The next prime is 221210110057. The reversal of 221210110023 is 320011012122.

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

It is not a de Polignac number, because 221210110023 - 2² = 221210110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221210109984 and 221210110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221210110073) 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, 5266907361 + ... + 5266907402.

It is an arithmetic number, because the mean of its divisors is an integer number (42135259056).

Almost surely, 2^221210110023 is an apocalyptic number.

221210110023 is a deficient number, since it is larger than the sum of its proper divisors (115871962425).

221210110023 is a wasteful number, since it uses less digits than its factorization.

221210110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533814773.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221210110023 its reverse (320011012122), we get a palindrome (541221122145).

The spelling of 221210110023 in words is "two hundred twenty-one billion, two hundred ten million, one hundred ten thousand, twenty-three".