9901010101111 has 8 divisors (see below), whose sum is σ = 9924189561504. Its totient is φ = 9877855159200.

The previous prime is 9901010101097. The next prime is 9901010101139. The reversal of 9901010101111 is 1111010101099.

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 9901010101111 - 2⁷ = 9901010100983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901010401111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5320915 + ... + 6936436.

It is an arithmetic number, because the mean of its divisors is an integer number (1240523695188).

Almost surely, 2^{9901010101111} is an apocalyptic number.

9901010101111 is a deficient number, since it is larger than the sum of its proper divisors (23179460393).

9901010101111 is a wasteful number, since it uses less digits than its factorization.

9901010101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259241.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 9901010101111 in words is "nine trillion, nine hundred one billion, ten million, one hundred one thousand, one hundred eleven".