1110012002261 has 2 divisors, whose sum is σ = 1110012002262. Its totient is φ = 1110012002260.

The previous prime is 1110012002243. The next prime is 1110012002299. The reversal of 1110012002261 is 1622002100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 887411100625 + 222600901636 = 942025^2 + 471806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110012002261 - 2¹⁰ = 1110012001237 is a prime.

It is a super-2 number, since 2×1110012002261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110012002161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555006001130 + 555006001131.

It is an arithmetic number, because the mean of its divisors is an integer number (555006001131).

Almost surely, 2^{1110012002261} is an apocalyptic number.

It is an amenable number.

1110012002261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110012002261 is an equidigital number, since it uses as much as digits as its factorization.

1110012002261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1110012002261 its reverse (1622002100111), we get a palindrome (2732014102372).

The spelling of 1110012002261 in words is "one trillion, one hundred ten billion, twelve million, two thousand, two hundred sixty-one".