11201020001111 has 8 divisors (see below), whose sum is σ = 11390941208400. Its totient is φ = 11011101240960.

The previous prime is 11201020001107. The next prime is 11201020001161. The reversal of 11201020001111 is 11110002010211.

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 11201020001111 - 2² = 11201020001107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201020001092 and 11201020001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020001161) 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, 10237535 + ... + 11278703.

It is an arithmetic number, because the mean of its divisors is an integer number (1423867651050).

Almost surely, 2^{11201020001111} is an apocalyptic number.

11201020001111 is a deficient number, since it is larger than the sum of its proper divisors (189921207289).

11201020001111 is a wasteful number, since it uses less digits than its factorization.

11201020001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223569.

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

Adding to 11201020001111 its reverse (11110002010211), we get a palindrome (22311022011322).

The spelling of 11201020001111 in words is "eleven trillion, two hundred one billion, twenty million, one thousand, one hundred eleven".