2110020020231 has 2 divisors, whose sum is σ = 2110020020232. Its totient is φ = 2110020020230.

The previous prime is 2110020020153. The next prime is 2110020020237. The reversal of 2110020020231 is 1320200200112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110020020231 is a prime.

It is a super-2 number, since 2×2110020020231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110020020237) 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, 1055010010115 + 1055010010116.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010010116).

Almost surely, 2^{2110020020231} is an apocalyptic number.

2110020020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110020020231 is an equidigital number, since it uses as much as digits as its factorization.

2110020020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2110020020231 its reverse (1320200200112), we get a palindrome (3430220220343).

The spelling of 2110020020231 in words is "two trillion, one hundred ten billion, twenty million, twenty thousand, two hundred thirty-one".