110222021211209 has 4 divisors (see below), whose sum is σ = 110222047760916. Its totient is φ = 110221994661504.

The previous prime is 110222021211191. The next prime is 110222021211229. The reversal of 110222021211209 is 902112120222011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64413016195984 + 45809005015225 = 8025772^2 + 6768235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110222021211209 is a prime.

It is a super-2 number, since 2×110222021211209² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110222021211229) 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, 5548604 + ... + 15850269.

It is an arithmetic number, because the mean of its divisors is an integer number (27555511940229).

Almost surely, 2^{110222021211209} is an apocalyptic number.

It is an amenable number.

110222021211209 is a deficient number, since it is larger than the sum of its proper divisors (26549707).

110222021211209 is an equidigital number, since it uses as much as digits as its factorization.

110222021211209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26549706.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 110222021211209 in words is "one hundred ten trillion, two hundred twenty-two billion, twenty-one million, two hundred eleven thousand, two hundred nine".