121101321322021 has 4 divisors (see below), whose sum is σ = 121104653535712. Its totient is φ = 121097989108332.

The previous prime is 121101321321973. The next prime is 121101321322031. The reversal of 121101321322021 is 120223123101121.

It is a happy number.

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 not a de Polignac number, because 121101321322021 - 2²³ = 121101312933413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121101321321983 and 121101321322001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101321322031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666052331 + ... + 1666125016.

It is an arithmetic number, because the mean of its divisors is an integer number (30276163383928).

Almost surely, 2^{121101321322021} is an apocalyptic number.

It is an amenable number.

121101321322021 is a deficient number, since it is larger than the sum of its proper divisors (3332213691).

121101321322021 is an equidigital number, since it uses as much as digits as its factorization.

121101321322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332213690.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121101321322021 its reverse (120223123101121), we get a palindrome (241324444423142).

The spelling of 121101321322021 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred twenty-one million, three hundred twenty-two thousand, twenty-one".