110020120022081 has 2 divisors, whose sum is σ = 110020120022082. Its totient is φ = 110020120022080.

The previous prime is 110020120021943. The next prime is 110020120022161. The reversal of 110020120022081 is 180220021020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108384944034481 + 1635175987600 = 10410809^2 + 1278740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110020120022081 is a prime.

It is a super-2 number, since 2×110020120022081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110020120322081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010060011040 + 55010060011041.

It is an arithmetic number, because the mean of its divisors is an integer number (55010060011041).

Almost surely, 2^{110020120022081} is an apocalyptic number.

It is an amenable number.

110020120022081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020120022081 is an equidigital number, since it uses as much as digits as its factorization.

110020120022081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110020120022081 its reverse (180220021020011), we get a palindrome (290240141042092).

The spelling of 110020120022081 in words is "one hundred ten trillion, twenty billion, one hundred twenty million, twenty-two thousand, eighty-one".