110002020221 has 4 divisors (see below), whose sum is σ = 110108715744. Its totient is φ = 109895324700.

The previous prime is 110002020211. The next prime is 110002020257. The reversal of 110002020221 is 122020200011.

It is a happy number.

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 110002020221 - 2¹⁸ = 110001758077 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 (110002020211) 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, 53346215 + ... + 53348276.

It is an arithmetic number, because the mean of its divisors is an integer number (27527178936).

Almost surely, 2^110002020221 is an apocalyptic number.

It is an amenable number.

110002020221 is a deficient number, since it is larger than the sum of its proper divisors (106695523).

110002020221 is a wasteful number, since it uses less digits than its factorization.

110002020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106695522.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110002020221 its reverse (122020200011), we get a palindrome (232022220232).

The spelling of 110002020221 in words is "one hundred ten billion, two million, twenty thousand, two hundred twenty-one".