120121202023 has 2 divisors, whose sum is σ = 120121202024. Its totient is φ = 120121202022.

The previous prime is 120121201943. The next prime is 120121202053. The reversal of 120121202023 is 320202121021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120121202023 - 2⁹ = 120121201511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120121201988 and 120121202006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121202053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060601011 + 60060601012.

It is an arithmetic number, because the mean of its divisors is an integer number (60060601012).

Almost surely, 2^120121202023 is an apocalyptic number.

120121202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121202023 is an equidigital number, since it uses as much as digits as its factorization.

120121202023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120121202023 its reverse (320202121021), we get a palindrome (440323323044).

The spelling of 120121202023 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, twenty-three".