11201020022101 has 48 divisors (see below), whose sum is σ = 14324161388544. Its totient is φ = 8678492274816.

The previous prime is 11201020022069. The next prime is 11201020022107. The reversal of 11201020022101 is 10122002010211.

It is not a de Polignac number, because 11201020022101 - 2⁵ = 11201020022069 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020022107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17339820 + ... + 17974186.

It is an arithmetic number, because the mean of its divisors is an integer number (298420028928).

Almost surely, 2^{11201020022101} is an apocalyptic number.

It is an amenable number.

11201020022101 is a deficient number, since it is larger than the sum of its proper divisors (3123141366443).

11201020022101 is a wasteful number, since it uses less digits than its factorization.

11201020022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634970 (or 634963 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11201020022101 its reverse (10122002010211), we get a palindrome (21323022032312).

The spelling of 11201020022101 in words is "eleven trillion, two hundred one billion, twenty million, twenty-two thousand, one hundred one".