110202119981 has 2 divisors, whose sum is σ = 110202119982. Its totient is φ = 110202119980.

The previous prime is 110202119971. The next prime is 110202120011. The reversal of 110202119981 is 189911202011.

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., 102165893956 + 8036226025 = 319634^2 + 89645^2 .

It is a cyclic number.

It is not a de Polignac number, because 110202119981 - 2⁶ = 110202119917 is a prime.

It is a super-2 number, since 2×110202119981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110202119921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101059990 + 55101059991.

It is an arithmetic number, because the mean of its divisors is an integer number (55101059991).

Almost surely, 2^110202119981 is an apocalyptic number.

It is an amenable number.

110202119981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110202119981 is an equidigital number, since it uses as much as digits as its factorization.

110202119981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 110202119981 in words is "one hundred ten billion, two hundred two million, one hundred nineteen thousand, nine hundred eighty-one".