2031021121223 has 2 divisors, whose sum is σ = 2031021121224. Its totient is φ = 2031021121222.

The previous prime is 2031021121219. The next prime is 2031021121229. The reversal of 2031021121223 is 3221211201302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031021121223 - 2² = 2031021121219 is a prime.

It is a super-2 number, since 2×2031021121223² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031021121195 and 2031021121204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031021121229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015510560611 + 1015510560612.

It is an arithmetic number, because the mean of its divisors is an integer number (1015510560612).

Almost surely, 2^{2031021121223} is an apocalyptic number.

2031021121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031021121223 is an equidigital number, since it uses as much as digits as its factorization.

2031021121223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2031021121223 its reverse (3221211201302), we get a palindrome (5252232322525).

The spelling of 2031021121223 in words is "two trillion, thirty-one billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".