1110121020221 has 8 divisors (see below), whose sum is σ = 1146750528000. Its totient is φ = 1073542709520.

The previous prime is 1110121020209. The next prime is 1110121020263. The reversal of 1110121020221 is 1220201210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110121020221 - 2²⁶ = 1110053911357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110121020196 and 1110121020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110121026221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12755186 + ... + 12841923.

It is an arithmetic number, because the mean of its divisors is an integer number (143343816000).

Almost surely, 2^{1110121020221} is an apocalyptic number.

It is an amenable number.

1110121020221 is a deficient number, since it is larger than the sum of its proper divisors (36629507779).

1110121020221 is a wasteful number, since it uses less digits than its factorization.

1110121020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598539.

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

Adding to 1110121020221 its reverse (1220201210111), we get a palindrome (2330322230332).

The spelling of 1110121020221 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, twenty thousand, two hundred twenty-one".