10010099981 has 8 divisors (see below), whose sum is σ = 11809150464. Its totient is φ = 8303308560.

The previous prime is 10010099923. The next prime is 10010099993. The reversal of 10010099981 is 18999001001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10010099981 - 2¹⁸ = 10009837837 is a prime.

It is a super-2 number, since 2×10010099981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010009981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23064530 + ... + 23064963.

It is an arithmetic number, because the mean of its divisors is an integer number (1476143808).

Almost surely, 2^10010099981 is an apocalyptic number.

It is an amenable number.

10010099981 is a deficient number, since it is larger than the sum of its proper divisors (1799050483).

10010099981 is an equidigital number, since it uses as much as digits as its factorization.

10010099981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129531.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 10010099981 in words is "ten billion, ten million, ninety-nine thousand, nine hundred eighty-one".