1201033221023 has 2 divisors, whose sum is σ = 1201033221024. Its totient is φ = 1201033221022.

The previous prime is 1201033220987. The next prime is 1201033221043. The reversal of 1201033221023 is 3201223301021.

It is an a-pointer prime, because the next prime (1201033221043) can be obtained adding 1201033221023 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201033221023 - 2⁸ = 1201033220767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201033220986 and 1201033221004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201033221043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600516610511 + 600516610512.

It is an arithmetic number, because the mean of its divisors is an integer number (600516610512).

Almost surely, 2^{1201033221023} is an apocalyptic number.

1201033221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201033221023 is an equidigital number, since it uses as much as digits as its factorization.

1201033221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201033221023 its reverse (3201223301021), we get a palindrome (4402256522044).

The spelling of 1201033221023 in words is "one trillion, two hundred one billion, thirty-three million, two hundred twenty-one thousand, twenty-three".