110212211120009 has 4 divisors (see below), whose sum is σ = 110212911335316. Its totient is φ = 110211510904704.

The previous prime is 110212211119961. The next prime is 110212211120147. The reversal of 110212211120009 is 900021112212011.

It is a happy number.

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 87523565292409 + 22688645827600 = 9355403^2 + 4763260^2 .

It is a cyclic number.

It is not a de Polignac number, because 110212211120009 - 2³² = 110207916152713 is a prime.

It is a super-2 number, since 2×110212211120009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110212211126009) 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, 349871504 + ... + 350186369.

It is an arithmetic number, because the mean of its divisors is an integer number (27553227833829).

Almost surely, 2^{110212211120009} is an apocalyptic number.

It is an amenable number.

110212211120009 is a deficient number, since it is larger than the sum of its proper divisors (700215307).

110212211120009 is an equidigital number, since it uses as much as digits as its factorization.

110212211120009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700215306.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 110212211120009 in words is "one hundred ten trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty thousand, nine".