20011120110011 has 8 divisors (see below), whose sum is σ = 20106448314384. Its totient is φ = 19915796517120.

The previous prime is 20011120109989. The next prime is 20011120110029. The reversal of 20011120110011 is 11001102111002.

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 20011120110011 - 2⁶ = 20011120109947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011120109974 and 20011120110001.

It is not an unprimeable number, because it can be changed into a prime (20011120110041) 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, 7708451 + ... + 9972083.

It is an arithmetic number, because the mean of its divisors is an integer number (2513306039298).

Almost surely, 2^{20011120110011} is an apocalyptic number.

20011120110011 is a deficient number, since it is larger than the sum of its proper divisors (95328204373).

20011120110011 is a wasteful number, since it uses less digits than its factorization.

20011120110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305741.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20011120110011 its reverse (11001102111002), we get a palindrome (31012222221013).

The spelling of 20011120110011 in words is "twenty trillion, eleven billion, one hundred twenty million, one hundred ten thousand, eleven".