10019910011 has 4 divisors (see below), whose sum is σ = 10020580752. Its totient is φ = 10019239272.

The previous prime is 10019909989. The next prime is 10019910037. The reversal of 10019910011 is 11001991001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10019910011 - 2²² = 10015715707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10019910311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312440 + ... + 343013.

It is an arithmetic number, because the mean of its divisors is an integer number (2505145188).

Almost surely, 2^10019910011 is an apocalyptic number.

10019910011 is a deficient number, since it is larger than the sum of its proper divisors (670741).

10019910011 is an equidigital number, since it uses as much as digits as its factorization.

10019910011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670740.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 10019910011 in words is "ten billion, nineteen million, nine hundred ten thousand, eleven".