140121014111231 has 2 divisors, whose sum is σ = 140121014111232. Its totient is φ = 140121014111230.

The previous prime is 140121014111203. The next prime is 140121014111237. The reversal of 140121014111231 is 132111410121041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140121014111231 - 2³⁸ = 139846136204287 is a prime.

It is a super-2 number, since 2×140121014111231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140121014111197 and 140121014111206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140121014111237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060507055615 + 70060507055616.

It is an arithmetic number, because the mean of its divisors is an integer number (70060507055616).

Almost surely, 2^{140121014111231} is an apocalyptic number.

140121014111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

140121014111231 is an equidigital number, since it uses as much as digits as its factorization.

140121014111231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 140121014111231 its reverse (132111410121041), we get a palindrome (272232424232272).

The spelling of 140121014111231 in words is "one hundred forty trillion, one hundred twenty-one billion, fourteen million, one hundred eleven thousand, two hundred thirty-one".