110220501421 has 4 divisors (see below), whose sum is σ = 110244265600. Its totient is φ = 110196737244.

The previous prime is 110220501367. The next prime is 110220501499. The reversal of 110220501421 is 124105022011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110220501421 - 2¹⁵ = 110220468653 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 (110220501821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11875131 + ... + 11884408.

It is an arithmetic number, because the mean of its divisors is an integer number (27561066400).

Almost surely, 2^110220501421 is an apocalyptic number.

It is an amenable number.

110220501421 is a deficient number, since it is larger than the sum of its proper divisors (23764179).

110220501421 is an equidigital number, since it uses as much as digits as its factorization.

110220501421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23764178.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 110220501421 its reverse (124105022011), we get a palindrome (234325523432).

The spelling of 110220501421 in words is "one hundred ten billion, two hundred twenty million, five hundred one thousand, four hundred twenty-one".