1020110443231 has 4 divisors (see below), whose sum is σ = 1112847756264. Its totient is φ = 927373130200.

The previous prime is 1020110443199. The next prime is 1020110443273. The reversal of 1020110443231 is 1323440110201.

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

It is not a de Polignac number, because 1020110443231 - 2⁵ = 1020110443199 is a prime.

It is a super-2 number, since 2×1020110443231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020111443231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46368656500 + ... + 46368656521.

It is an arithmetic number, because the mean of its divisors is an integer number (278211939066).

Almost surely, 2^{1020110443231} is an apocalyptic number.

1020110443231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020110443231 is a deficient number, since it is larger than the sum of its proper divisors (92737313033).

1020110443231 is an equidigital number, since it uses as much as digits as its factorization.

1020110443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92737313032.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1020110443231 its reverse (1323440110201), we get a palindrome (2343550553432).

The spelling of 1020110443231 in words is "one trillion, twenty billion, one hundred ten million, four hundred forty-three thousand, two hundred thirty-one".