121013033123 has 2 divisors, whose sum is σ = 121013033124. Its totient is φ = 121013033122.

The previous prime is 121013033101. The next prime is 121013033131. The reversal of 121013033123 is 321330310121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121013033123 - 2¹⁶ = 121012967587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121013033095 and 121013033104.

It is not a weakly prime, because it can be changed into another prime (121013033023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506516561 + 60506516562.

It is an arithmetic number, because the mean of its divisors is an integer number (60506516562).

Almost surely, 2^121013033123 is an apocalyptic number.

121013033123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121013033123 is an equidigital number, since it uses as much as digits as its factorization.

121013033123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121013033123 its reverse (321330310121), we get a palindrome (442343343244).

The spelling of 121013033123 in words is "one hundred twenty-one billion, thirteen million, thirty-three thousand, one hundred twenty-three".