123300021011 has 2 divisors, whose sum is σ = 123300021012. Its totient is φ = 123300021010.

The previous prime is 123300020981. The next prime is 123300021059. The reversal of 123300021011 is 110120003321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123300021011 - 2²⁶ = 123232912147 is a prime.

It is not a weakly prime, because it can be changed into another prime (123300021211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650010505 + 61650010506.

It is an arithmetic number, because the mean of its divisors is an integer number (61650010506).

Almost surely, 2^123300021011 is an apocalyptic number.

123300021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123300021011 is an equidigital number, since it uses as much as digits as its factorization.

123300021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 123300021011 its reverse (110120003321), we get a palindrome (233420024332).

The spelling of 123300021011 in words is "one hundred twenty-three billion, three hundred million, twenty-one thousand, eleven".