1201121102023 has 2 divisors, whose sum is σ = 1201121102024. Its totient is φ = 1201121102022.

The previous prime is 1201121101997. The next prime is 1201121102047. The reversal of 1201121102023 is 3202011211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201121102023 - 2²¹ = 1201119004871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201121101988 and 1201121102006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201121102323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560551011 + 600560551012.

It is an arithmetic number, because the mean of its divisors is an integer number (600560551012).

Almost surely, 2^{1201121102023} is an apocalyptic number.

1201121102023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201121102023 is an equidigital number, since it uses as much as digits as its factorization.

1201121102023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201121102023 its reverse (3202011211021), we get a palindrome (4403132313044).

The spelling of 1201121102023 in words is "one trillion, two hundred one billion, one hundred twenty-one million, one hundred two thousand, twenty-three".