110101200221081 has 2 divisors, whose sum is σ = 110101200221082. Its totient is φ = 110101200221080.

The previous prime is 110101200221069. The next prime is 110101200221113. The reversal of 110101200221081 is 180122002101011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69706786185481 + 40394414035600 = 8349059^2 + 6355660^2 .

It is a cyclic number.

It is not a de Polignac number, because 110101200221081 - 2⁶ = 110101200221017 is a prime.

It is a super-2 number, since 2×110101200221081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110101200221281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050600110540 + 55050600110541.

It is an arithmetic number, because the mean of its divisors is an integer number (55050600110541).

Almost surely, 2^{110101200221081} is an apocalyptic number.

It is an amenable number.

110101200221081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101200221081 is an equidigital number, since it uses as much as digits as its factorization.

110101200221081 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 20.

Adding to 110101200221081 its reverse (180122002101011), we get a palindrome (290223202322092).

The spelling of 110101200221081 in words is "one hundred ten trillion, one hundred one billion, two hundred million, two hundred twenty-one thousand, eighty-one".