122131023030111 has 4 divisors (see below), whose sum is σ = 162841364040152. Its totient is φ = 81420682020072.

The previous prime is 122131023030097. The next prime is 122131023030169. The reversal of 122131023030111 is 111030320131221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122131023030111 - 2¹⁵ = 122131022997343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131023030311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20355170505016 + ... + 20355170505021.

It is an arithmetic number, because the mean of its divisors is an integer number (40710341010038).

Almost surely, 2^{122131023030111} is an apocalyptic number.

122131023030111 is a deficient number, since it is larger than the sum of its proper divisors (40710341010041).

122131023030111 is an equidigital number, since it uses as much as digits as its factorization.

122131023030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40710341010040.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 122131023030111 its reverse (111030320131221), we get a palindrome (233161343161332).

The spelling of 122131023030111 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, twenty-three million, thirty thousand, one hundred eleven".