101111010010009 has 4 divisors (see below), whose sum is σ = 107058716481204. Its totient is φ = 95163303538816.

The previous prime is 101111010009913. The next prime is 101111010010057. The reversal of 101111010010009 is 900010010111101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81473730638400 + 19637279371609 = 9026280^2 + 4431397^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111010010009 - 2¹¹ = 101111010007961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111010009974 and 101111010010001.

It is not an unprimeable number, because it can be changed into a prime (101111010010079) 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, 2973853235572 + ... + 2973853235605.

It is an arithmetic number, because the mean of its divisors is an integer number (26764679120301).

Almost surely, 2^{101111010010009} is an apocalyptic number.

It is an amenable number.

101111010010009 is a deficient number, since it is larger than the sum of its proper divisors (5947706471195).

101111010010009 is an equidigital number, since it uses as much as digits as its factorization.

101111010010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947706471194.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 101111010010009 in words is "one hundred one trillion, one hundred eleven billion, ten million, ten thousand, nine".