110012010221 has 4 divisors (see below), whose sum is σ = 110013222432. Its totient is φ = 110010798012.

The previous prime is 110012010193. The next prime is 110012010239. The reversal of 110012010221 is 122010210011.

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 a de Polignac number, because none of the positive numbers 2^k-110012010221 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 (110012012221) 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, 457895 + ... + 655508.

It is an arithmetic number, because the mean of its divisors is an integer number (27503305608).

Almost surely, 2^110012010221 is an apocalyptic number.

It is an amenable number.

110012010221 is a deficient number, since it is larger than the sum of its proper divisors (1212211).

110012010221 is an equidigital number, since it uses as much as digits as its factorization.

110012010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212210.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110012010221 its reverse (122010210011), we get a palindrome (232022220232).

The spelling of 110012010221 in words is "one hundred ten billion, twelve million, ten thousand, two hundred twenty-one".