11220012000061 has 2 divisors, whose sum is σ = 11220012000062. Its totient is φ = 11220012000060.

The previous prime is 11220011999971. The next prime is 11220012000083. The reversal of 11220012000061 is 16000021002211.

11220012000061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6595748831961 + 4624263168100 = 2568219^2 + 2150410^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220012000061 - 2¹³ = 11220011991869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220011999999 and 11220012000044.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220012090061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610006000030 + 5610006000031.

It is an arithmetic number, because the mean of its divisors is an integer number (5610006000031).

Almost surely, 2^{11220012000061} is an apocalyptic number.

It is an amenable number.

11220012000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220012000061 is an equidigital number, since it uses as much as digits as its factorization.

11220012000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11220012000061 its reverse (16000021002211), we get a palindrome (27220033002272).

The spelling of 11220012000061 in words is "eleven trillion, two hundred twenty billion, twelve million, sixty-one", and thus it is an aban number.