11201020021102 has 4 divisors (see below), whose sum is σ = 16801530031656. Its totient is φ = 5600510010550.

The previous prime is 11201020021073. The next prime is 11201020021129. The reversal of 11201020021102 is 20112002010211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800255005274 + ... + 2800255005277.

It is an arithmetic number, because the mean of its divisors is an integer number (4200382507914).

Almost surely, 2^{11201020021102} is an apocalyptic number.

11201020021102 is a deficient number, since it is larger than the sum of its proper divisors (5600510010554).

11201020021102 is an equidigital number, since it uses as much as digits as its factorization.

11201020021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600510010553.

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

Adding to 11201020021102 its reverse (20112002010211), we get a palindrome (31313022031313).

The spelling of 11201020021102 in words is "eleven trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred two".