1321362002121 has 8 divisors (see below), whose sum is σ = 2013504003264. Its totient is φ = 755064001200.

The previous prime is 1321362002117. The next prime is 1321362002123. The reversal of 1321362002121 is 1212002631231.

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

It is not a de Polignac number, because 1321362002121 - 2² = 1321362002117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1321362002091 and 1321362002100.

It is not an unprimeable number, because it can be changed into a prime (1321362002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31461000030 + ... + 31461000071.

It is an arithmetic number, because the mean of its divisors is an integer number (251688000408).

Almost surely, 2^{1321362002121} is an apocalyptic number.

It is an amenable number.

1321362002121 is a deficient number, since it is larger than the sum of its proper divisors (692142001143).

1321362002121 is an equidigital number, since it uses as much as digits as its factorization.

1321362002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62922000111.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1321362002121 its reverse (1212002631231), we get a palindrome (2533364633352).

The spelling of 1321362002121 in words is "one trillion, three hundred twenty-one billion, three hundred sixty-two million, two thousand, one hundred twenty-one".