110212011002021 has 4 divisors (see below), whose sum is σ = 110489623120812. Its totient is φ = 109934398883232.

The previous prime is 110212011001921. The next prime is 110212011002059. The reversal of 110212011002021 is 120200110212011.

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 54344010241921 + 55868000760100 = 7371839^2 + 7474490^2 .

It is a cyclic number.

It is not a de Polignac number, because 110212011002021 - 2²² = 110212006807717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110212011001987 and 110212011002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212011002081) 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, 138806058800 + ... + 138806059593.

It is an arithmetic number, because the mean of its divisors is an integer number (27622405780203).

Almost surely, 2^{110212011002021} is an apocalyptic number.

It is an amenable number.

110212011002021 is a deficient number, since it is larger than the sum of its proper divisors (277612118791).

110212011002021 is an equidigital number, since it uses as much as digits as its factorization.

110212011002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277612118790.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110212011002021 its reverse (120200110212011), we get a palindrome (230412121214032).

The spelling of 110212011002021 in words is "one hundred ten trillion, two hundred twelve billion, eleven million, two thousand, twenty-one".