110202020101081 has 2 divisors, whose sum is σ = 110202020101082. Its totient is φ = 110202020101080.

The previous prime is 110202020101073. The next prime is 110202020101091. The reversal of 110202020101081 is 180101020202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109327204081225 + 874816019856 = 10455965^2 + 935316^2 .

It is an emirp because it is prime and its reverse (180101020202011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110202020101081 - 2³ = 110202020101073 is a prime.

It is a super-2 number, since 2×110202020101081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110202020101091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101010050540 + 55101010050541.

It is an arithmetic number, because the mean of its divisors is an integer number (55101010050541).

Almost surely, 2^{110202020101081} is an apocalyptic number.

It is an amenable number.

110202020101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110202020101081 is an equidigital number, since it uses as much as digits as its factorization.

110202020101081 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 110202020101081 its reverse (180101020202011), we get a palindrome (290303040303092).

The spelling of 110202020101081 in words is "one hundred ten trillion, two hundred two billion, twenty million, one hundred one thousand, eighty-one".