1011121093 has 2 divisors, whose sum is σ = 1011121094. Its totient is φ = 1011121092.

The previous prime is 1011121091. The next prime is 1011121103. The reversal of 1011121093 is 3901211101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984516129 + 26604964 = 31377^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011121093 - 2¹ = 1011121091 is a prime.

Together with 1011121091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1011121093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505560546 + 505560547.

It is an arithmetic number, because the mean of its divisors is an integer number (505560547).

Almost surely, 2^1011121093 is an apocalyptic number.

It is an amenable number.

1011121093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011121093 is an equidigital number, since it uses as much as digits as its factorization.

1011121093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1011121093 is about 31798.1303381189. The cubic root of 1011121093 is about 1003.6933732006.

Adding to 1011121093 its reverse (3901211101), we get a palindrome (4912332194).

The spelling of 1011121093 in words is "one billion, eleven million, one hundred twenty-one thousand, ninety-three".