11201102021111 has 64 divisors (see below), whose sum is σ = 12638054854656. Its totient is φ = 9880597708800.

The previous prime is 11201102021101. The next prime is 11201102021159. The reversal of 11201102021111 is 11112020110211.

It is a cyclic number.

It is not a de Polignac number, because 11201102021111 - 2¹⁸ = 11201101758967 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 (11201102021101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443648090 + ... + 443673336.

It is an arithmetic number, because the mean of its divisors is an integer number (197469607104).

Almost surely, 2^{11201102021111} is an apocalyptic number.

11201102021111 is a deficient number, since it is larger than the sum of its proper divisors (1436952833545).

11201102021111 is a wasteful number, since it uses less digits than its factorization.

11201102021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25592.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201102021111 its reverse (11112020110211), we get a palindrome (22313122131322).

The spelling of 11201102021111 in words is "eleven trillion, two hundred one billion, one hundred two million, twenty-one thousand, one hundred eleven".