1322021100121 has 4 divisors (see below), whose sum is σ = 1352765776912. Its totient is φ = 1291276423332.

The previous prime is 1322021100031. The next prime is 1322021100151. The reversal of 1322021100121 is 1210011202231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322021100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322021100095 and 1322021100104.

It is not an unprimeable number, because it can be changed into a prime (1322021100151) 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, 15372338331 + ... + 15372338416.

It is an arithmetic number, because the mean of its divisors is an integer number (338191444228).

Almost surely, 2^{1322021100121} is an apocalyptic number.

It is an amenable number.

1322021100121 is a deficient number, since it is larger than the sum of its proper divisors (30744676791).

1322021100121 is an equidigital number, since it uses as much as digits as its factorization.

1322021100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30744676790.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1322021100121 its reverse (1210011202231), we get a palindrome (2532032302352).

The spelling of 1322021100121 in words is "one trillion, three hundred twenty-two billion, twenty-one million, one hundred thousand, one hundred twenty-one".