11000022112081 has 2 divisors, whose sum is σ = 11000022112082. Its totient is φ = 11000022112080.

The previous prime is 11000022112069. The next prime is 11000022112139. The reversal of 11000022112081 is 18021122000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10751578681600 + 248443430481 = 3278960^2 + 498441^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000022112081 - 2¹⁵ = 11000022079313 is a prime.

It is a super-2 number, since 2×11000022112081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11000022112061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500011056040 + 5500011056041.

It is an arithmetic number, because the mean of its divisors is an integer number (5500011056041).

Almost surely, 2^{11000022112081} is an apocalyptic number.

It is an amenable number.

11000022112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000022112081 is an equidigital number, since it uses as much as digits as its factorization.

11000022112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11000022112081 its reverse (18021122000011), we get a palindrome (29021144112092).

The spelling of 11000022112081 in words is "eleven trillion, twenty-two million, one hundred twelve thousand, eighty-one".