1102231121 has 2 divisors, whose sum is σ = 1102231122. Its totient is φ = 1102231120.

The previous prime is 1102231099. The next prime is 1102231127. The reversal of 1102231121 is 1211322011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693584896 + 408646225 = 26336^2 + 20215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102231121 - 2¹⁰ = 1102230097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1102231096 and 1102231105.

It is not a weakly prime, because it can be changed into another prime (1102231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551115560 + 551115561.

It is an arithmetic number, because the mean of its divisors is an integer number (551115561).

Almost surely, 2^1102231121 is an apocalyptic number.

It is an amenable number.

1102231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102231121 is an equidigital number, since it uses as much as digits as its factorization.

1102231121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1102231121 is about 33199.8662798512. The cubic root of 1102231121 is about 1032.9775658951.

Adding to 1102231121 its reverse (1211322011), we get a palindrome (2313553132).

The spelling of 1102231121 in words is "one billion, one hundred two million, two hundred thirty-one thousand, one hundred twenty-one".