20111011001101 has 8 divisors (see below), whose sum is σ = 21157112685600. Its totient is φ = 19088417219760.

The previous prime is 20111011001093. The next prime is 20111011001143. The reversal of 20111011001101 is 10110011011102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20111011001101 - 2³ = 20111011001093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111011011101) 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, 5876974035 + ... + 5876977456.

It is an arithmetic number, because the mean of its divisors is an integer number (2644639085700).

Almost surely, 2^{20111011001101} is an apocalyptic number.

It is an amenable number.

20111011001101 is a deficient number, since it is larger than the sum of its proper divisors (1046101684499).

20111011001101 is a wasteful number, since it uses less digits than its factorization.

20111011001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753951579.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 20111011001101 its reverse (10110011011102), we get a palindrome (30221022012203).

It can be divided in two parts, 20111011001 and 101, that added together give a palindrome (20111011102).

The spelling of 20111011001101 in words is "twenty trillion, one hundred eleven billion, eleven million, one thousand, one hundred one".