1020111093 has 12 divisors (see below), whose sum is σ = 1474075980. Its totient is φ = 679805376.

The previous prime is 1020111091. The next prime is 1020111107. The reversal of 1020111093 is 3901110201.

It can be written as a sum of positive squares in 2 ways, for example, as 805254129 + 214856964 = 28377^2 + 14658^2 .

It is not a de Polignac number, because 1020111093 - 2¹ = 1020111091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020111091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193 + ... + 45281.

It is an arithmetic number, because the mean of its divisors is an integer number (122839665).

Almost surely, 2^1020111093 is an apocalyptic number.

It is an amenable number.

1020111093 is a deficient number, since it is larger than the sum of its proper divisors (453964887).

1020111093 is a wasteful number, since it uses less digits than its factorization.

1020111093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44788 (or 44785 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1020111093 is about 31939.1780263676. The cubic root of 1020111093 is about 1006.6592535722.

Adding to 1020111093 its reverse (3901110201), we get a palindrome (4921221294).

The spelling of 1020111093 in words is "one billion, twenty million, one hundred eleven thousand, ninety-three".