1110000011261 has 2 divisors, whose sum is σ = 1110000011262. Its totient is φ = 1110000011260.

The previous prime is 1110000011119. The next prime is 1110000011273. The reversal of 1110000011261 is 1621100000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058801898361 + 51198112900 = 1028981^2 + 226270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110000011261 - 2¹⁰ = 1110000010237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110000011291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555000005630 + 555000005631.

It is an arithmetic number, because the mean of its divisors is an integer number (555000005631).

Almost surely, 2^{1110000011261} is an apocalyptic number.

It is an amenable number.

1110000011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110000011261 is an equidigital number, since it uses as much as digits as its factorization.

1110000011261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1110000011261 its reverse (1621100000111), we get a palindrome (2731100011372).

The spelling of 1110000011261 in words is "one trillion, one hundred ten billion, eleven thousand, two hundred sixty-one".