1110022021221 has 8 divisors (see below), whose sum is σ = 1567089912384. Its totient is φ = 696484405440.

The previous prime is 1110022021183. The next prime is 1110022021237. The reversal of 1110022021221 is 1221202200111.

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

It is not a de Polignac number, because 1110022021221 - 2¹⁰ = 1110022020197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110022021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110022021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10882568785 + ... + 10882568886.

It is an arithmetic number, because the mean of its divisors is an integer number (195886239048).

Almost surely, 2^{1110022021221} is an apocalyptic number.

It is an amenable number.

1110022021221 is a deficient number, since it is larger than the sum of its proper divisors (457067891163).

1110022021221 is a wasteful number, since it uses less digits than its factorization.

1110022021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21765137691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1110022021221 its reverse (1221202200111), we get a palindrome (2331224221332).

The spelling of 1110022021221 in words is "one trillion, one hundred ten billion, twenty-two million, twenty-one thousand, two hundred twenty-one".