22101201061 has 2 divisors, whose sum is σ = 22101201062. Its totient is φ = 22101201060.

The previous prime is 22101201043. The next prime is 22101201077. The reversal of 22101201061 is 16010210122.

It is an a-pointer prime, because the next prime (22101201077) can be obtained adding 22101201061 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18885630625 + 3215570436 = 137425^2 + 56706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101201061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101201461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050600530 + 11050600531.

It is an arithmetic number, because the mean of its divisors is an integer number (11050600531).

Almost surely, 2^22101201061 is an apocalyptic number.

It is an amenable number.

22101201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101201061 is an equidigital number, since it uses as much as digits as its factorization.

22101201061 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 16.

Adding to 22101201061 its reverse (16010210122), we get a palindrome (38111411183).

The spelling of 22101201061 in words is "twenty-two billion, one hundred one million, two hundred one thousand, sixty-one".