22001561101763 has 2 divisors, whose sum is σ = 22001561101764. Its totient is φ = 22001561101762.

The previous prime is 22001561101759. The next prime is 22001561101813. The reversal of 22001561101763 is 36710116510022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001561101763 - 2² = 22001561101759 is a prime.

It is a super-2 number, since 2×22001561101763² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22001561101753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000780550881 + 11000780550882.

It is an arithmetic number, because the mean of its divisors is an integer number (11000780550882).

Almost surely, 2^{22001561101763} is an apocalyptic number.

22001561101763 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001561101763 is an equidigital number, since it uses as much as digits as its factorization.

22001561101763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

Adding to 22001561101763 its reverse (36710116510022), we get a palindrome (58711677611785).

The spelling of 22001561101763 in words is "twenty-two trillion, one billion, five hundred sixty-one million, one hundred one thousand, seven hundred sixty-three".