20011102300111 has 8 divisors (see below), whose sum is σ = 21705456841040. Its totient is φ = 18338896184832.

The previous prime is 20011102300103. The next prime is 20011102300117. The reversal of 20011102300111 is 11100320111002.

It is a happy number.

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 20011102300111 - 2³ = 20011102300103 is a prime.

It is a super-2 number, since 2×20011102300111² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011102300091 and 20011102300100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011102300117) 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, 5537104530 + ... + 5537108143.

It is an arithmetic number, because the mean of its divisors is an integer number (2713182105130).

Almost surely, 2^{20011102300111} is an apocalyptic number.

20011102300111 is a deficient number, since it is larger than the sum of its proper divisors (1694354540929).

20011102300111 is a wasteful number, since it uses less digits than its factorization.

20011102300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074212825.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20011102300111 its reverse (11100320111002), we get a palindrome (31111422411113).

The spelling of 20011102300111 in words is "twenty trillion, eleven billion, one hundred two million, three hundred thousand, one hundred eleven".