1322121332111 has 4 divisors (see below), whose sum is σ = 1391706665400. Its totient is φ = 1252535998824.

The previous prime is 1322121332101. The next prime is 1322121332113. The reversal of 1322121332111 is 1112331212231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322121332111 - 2¹⁰ = 1322121331087 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 (1322121332113) 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, 34792666616 + ... + 34792666653.

It is an arithmetic number, because the mean of its divisors is an integer number (347926666350).

Almost surely, 2^{1322121332111} is an apocalyptic number.

1322121332111 is a deficient number, since it is larger than the sum of its proper divisors (69585333289).

1322121332111 is an equidigital number, since it uses as much as digits as its factorization.

1322121332111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69585333288.

The product of its digits is 432, while the sum is 23.

Adding to 1322121332111 its reverse (1112331212231), we get a palindrome (2434452544342).

The spelling of 1322121332111 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred eleven".