11010101009 has 16 divisors (see below), whose sum is σ = 11425370880. Its totient is φ = 10602576000.

The previous prime is 11010100991. The next prime is 11010101041. The reversal of 11010101009 is 90010101011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11010101009 - 2²⁴ = 10993323793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010100984 and 11010101002.

It is not an unprimeable number, because it can be changed into a prime (11010131009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206554 + ... + 1215644.

It is an arithmetic number, because the mean of its divisors is an integer number (714085680).

Almost surely, 2^11010101009 is an apocalyptic number.

It is an amenable number.

11010101009 is a deficient number, since it is larger than the sum of its proper divisors (415269871).

11010101009 is a wasteful number, since it uses less digits than its factorization.

11010101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11010101009 in words is "eleven billion, ten million, one hundred one thousand, nine".