11201201202111 has 8 divisors (see below), whose sum is σ = 14938350214320. Its totient is φ = 7465759828992.

The previous prime is 11201201202101. The next prime is 11201201202119. The reversal of 11201201202111 is 11120210210211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201201202111 - 2⁹ = 11201201201599 is a prime.

It is a super-2 number, since 2×11201201202111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201201202119) 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, 426894466 + ... + 426920703.

It is an arithmetic number, because the mean of its divisors is an integer number (1867293776790).

Almost surely, 2^{11201201202111} is an apocalyptic number.

11201201202111 is a deficient number, since it is larger than the sum of its proper divisors (3737149012209).

11201201202111 is an equidigital number, since it uses as much as digits as its factorization.

11201201202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853819545.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201201202111 its reverse (11120210210211), we get a palindrome (22321411412322).

The spelling of 11201201202111 in words is "eleven trillion, two hundred one billion, two hundred one million, two hundred two thousand, one hundred eleven".