10002010981 has 2 divisors, whose sum is σ = 10002010982. Its totient is φ = 10002010980.

The previous prime is 10002010969. The next prime is 10002011003. The reversal of 10002010981 is 18901020001.

It is an a-pointer prime, because the next prime (10002011003) can be obtained adding 10002010981 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9551934756 + 450076225 = 97734^2 + 21215^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002010981 - 2⁷ = 10002010853 is a prime.

It is a super-2 number, since 2×10002010981² (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 (10002010901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001005490 + 5001005491.

It is an arithmetic number, because the mean of its divisors is an integer number (5001005491).

Almost surely, 2^10002010981 is an apocalyptic number.

It is an amenable number.

10002010981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002010981 is an equidigital number, since it uses as much as digits as its factorization.

10002010981 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 22.

Adding to 10002010981 its reverse (18901020001), we get a palindrome (28903030982).

The spelling of 10002010981 in words is "ten billion, two million, ten thousand, nine hundred eighty-one".