1122013211221 has 8 divisors (see below), whose sum is σ = 1282408583040. Its totient is φ = 961644781968.

The previous prime is 1122013211183. The next prime is 1122013211239. The reversal of 1122013211221 is 1221123102211.

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 1122013211221 - 2²¹ = 1122011114069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122013211251) 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, 6646321 + ... + 6813046.

It is an arithmetic number, because the mean of its divisors is an integer number (160301072880).

Almost surely, 2^{1122013211221} is an apocalyptic number.

It is an amenable number.

1122013211221 is a deficient number, since it is larger than the sum of its proper divisors (160395371819).

1122013211221 is a wasteful number, since it uses less digits than its factorization.

1122013211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471283.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1122013211221 its reverse (1221123102211), we get a palindrome (2343136313432).

The spelling of 1122013211221 in words is "one trillion, one hundred twenty-two billion, thirteen million, two hundred eleven thousand, two hundred twenty-one".