110010001010981 has 2 divisors, whose sum is σ = 110010001010982. Its totient is φ = 110010001010980.

The previous prime is 110010001010951. The next prime is 110010001011019. The reversal of 110010001010981 is 189010100010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93652554630625 + 16357446380356 = 9677425^2 + 4044434^2 .It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 186010100010011 and 110010001010681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110010001010981 is a prime.

It is a super-2 number, since 2×110010001010981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110010001010951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005000505490 + 55005000505491.

It is an arithmetic number, because the mean of its divisors is an integer number (55005000505491).

Almost surely, 2^{110010001010981} is an apocalyptic number.

It is an amenable number.

110010001010981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110010001010981 is an equidigital number, since it uses as much as digits as its factorization.

110010001010981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 23.

Adding to 110010001010981 its reverse (189010100010011), we get a palindrome (299020101020992).

The spelling of 110010001010981 in words is "one hundred ten trillion, ten billion, one million, ten thousand, nine hundred eighty-one".