11061010612221 has 4 divisors (see below), whose sum is σ = 14748014149632. Its totient is φ = 7374007074812.

The previous prime is 11061010612219. The next prime is 11061010612271. The reversal of 11061010612221 is 12221601016011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11061010612221 - 2¹ = 11061010612219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11061010612191 and 11061010612200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061010612271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843501768701 + ... + 1843501768706.

It is an arithmetic number, because the mean of its divisors is an integer number (3687003537408).

Almost surely, 2^{11061010612221} is an apocalyptic number.

It is an amenable number.

11061010612221 is a deficient number, since it is larger than the sum of its proper divisors (3687003537411).

11061010612221 is an equidigital number, since it uses as much as digits as its factorization.

11061010612221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687003537410.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 11061010612221 its reverse (12221601016011), we get a palindrome (23282611628232).

The spelling of 11061010612221 in words is "eleven trillion, sixty-one billion, ten million, six hundred twelve thousand, two hundred twenty-one".