1121110066261 has 8 divisors (see below), whose sum is σ = 1123707513600. Its totient is φ = 1118513690400.

The previous prime is 1121110066217. The next prime is 1121110066357. The reversal of 1121110066261 is 1626600111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121110066261 - 2⁹ = 1121110065749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110066361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846486 + ... + 2377336.

It is an arithmetic number, because the mean of its divisors is an integer number (140463439200).

Almost surely, 2^{1121110066261} is an apocalyptic number.

It is an amenable number.

1121110066261 is a deficient number, since it is larger than the sum of its proper divisors (2597447339).

1121110066261 is an equidigital number, since it uses as much as digits as its factorization.

1121110066261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535739.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 1121110066261 its reverse (1626600111211), we get a palindrome (2747710177472).

The spelling of 1121110066261 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, sixty-six thousand, two hundred sixty-one".