10011200981 has 2 divisors, whose sum is σ = 10011200982. Its totient is φ = 10011200980.

The previous prime is 10011200959. The next prime is 10011201017. The reversal of 10011200981 is 18900211001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7474467025 + 2536733956 = 86455^2 + 50366^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011200981 - 2¹⁴ = 10011184597 is a prime.

It is a super-2 number, since 2×10011200981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011200951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005600490 + 5005600491.

It is an arithmetic number, because the mean of its divisors is an integer number (5005600491).

Almost surely, 2^10011200981 is an apocalyptic number.

It is an amenable number.

10011200981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011200981 is an equidigital number, since it uses as much as digits as its factorization.

10011200981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 10011200981 its reverse (18900211001), we get a palindrome (28911411982).

The spelling of 10011200981 in words is "ten billion, eleven million, two hundred thousand, nine hundred eighty-one".