121023110021299 has 2 divisors, whose sum is σ = 121023110021300. Its totient is φ = 121023110021298.

The previous prime is 121023110021269. The next prime is 121023110021377. The reversal of 121023110021299 is 992120011320121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121023110021299 - 2¹³ = 121023110013107 is a prime.

It is not a weakly prime, because it can be changed into another prime (121023110021239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511555010649 + 60511555010650.

It is an arithmetic number, because the mean of its divisors is an integer number (60511555010650).

Almost surely, 2^{121023110021299} is an apocalyptic number.

121023110021299 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023110021299 is an equidigital number, since it uses as much as digits as its factorization.

121023110021299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 121023110021299 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred ten million, twenty-one thousand, two hundred ninety-nine".