121002021221299 has 2 divisors, whose sum is σ = 121002021221300. Its totient is φ = 121002021221298.

The previous prime is 121002021221267. The next prime is 121002021221359. The reversal of 121002021221299 is 992122120200121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121002021221299 - 2⁵ = 121002021221267 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002021221219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501010610649 + 60501010610650.

It is an arithmetic number, because the mean of its divisors is an integer number (60501010610650).

Almost surely, 2^{121002021221299} is an apocalyptic number.

121002021221299 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002021221299 is an equidigital number, since it uses as much as digits as its factorization.

121002021221299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 121002021221299 in words is "one hundred twenty-one trillion, two billion, twenty-one million, two hundred twenty-one thousand, two hundred ninety-nine".