1322213101221 has 16 divisors (see below), whose sum is σ = 1823251046400. Its totient is φ = 851800083888.

The previous prime is 1322213101217. The next prime is 1322213101229. The reversal of 1322213101221 is 1221013122231.

It is not a de Polignac number, because 1322213101221 - 2² = 1322213101217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322213101229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59339481 + ... + 59361758.

It is an arithmetic number, because the mean of its divisors is an integer number (113953190400).

Almost surely, 2^{1322213101221} is an apocalyptic number.

It is an amenable number.

1322213101221 is a deficient number, since it is larger than the sum of its proper divisors (501037945179).

1322213101221 is a wasteful number, since it uses less digits than its factorization.

1322213101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118701368.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1322213101221 its reverse (1221013122231), we get a palindrome (2543226223452).

The spelling of 1322213101221 in words is "one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred one thousand, two hundred twenty-one".