121202201023 has 2 divisors, whose sum is σ = 121202201024. Its totient is φ = 121202201022.

The previous prime is 121202201017. The next prime is 121202201041. The reversal of 121202201023 is 320102202121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121202201023 - 2²⁹ = 120665330111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121202200988 and 121202201006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121202204023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601100511 + 60601100512.

It is an arithmetic number, because the mean of its divisors is an integer number (60601100512).

Almost surely, 2^121202201023 is an apocalyptic number.

121202201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202201023 is an equidigital number, since it uses as much as digits as its factorization.

121202201023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121202201023 its reverse (320102202121), we get a palindrome (441304403144).

The spelling of 121202201023 in words is "one hundred twenty-one billion, two hundred two million, two hundred one thousand, twenty-three".