20201112011 has 8 divisors (see below), whose sum is σ = 20548768560. Its totient is φ = 19853631072.

The previous prime is 20201112007. The next prime is 20201112023. The reversal of 20201112011 is 11021110202.

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 20201112011 - 2² = 20201112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201111983 and 20201112001.

It is not an unprimeable number, because it can be changed into a prime (20201112511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199661 + ... + 283313.

It is an arithmetic number, because the mean of its divisors is an integer number (2568596070).

Almost surely, 2^20201112011 is an apocalyptic number.

20201112011 is a deficient number, since it is larger than the sum of its proper divisors (347656549).

20201112011 is an equidigital number, since it uses as much as digits as its factorization.

20201112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87805.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201112011 its reverse (11021110202), we get a palindrome (31222222213).

The spelling of 20201112011 in words is "twenty billion, two hundred one million, one hundred twelve thousand, eleven".