20091010092011 has 4 divisors (see below), whose sum is σ = 20091038527224. Its totient is φ = 20090981656800.

The previous prime is 20091010092001. The next prime is 20091010092019. The reversal of 20091010092011 is 11029001019002.

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 20091010092011 - 2²⁶ = 20090942983147 is a prime.

It is a super-3 number, since 3×20091010092011³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20091010092019) 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, 13130045 + ... + 14580126.

It is an arithmetic number, because the mean of its divisors is an integer number (5022759631806).

Almost surely, 2^{20091010092011} is an apocalyptic number.

20091010092011 is a deficient number, since it is larger than the sum of its proper divisors (28435213).

20091010092011 is an equidigital number, since it uses as much as digits as its factorization.

20091010092011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28435212.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 20091010092011 in words is "twenty trillion, ninety-one billion, ten million, ninety-two thousand, eleven".