11201212112101 has 8 divisors (see below), whose sum is σ = 12613681675008. Its totient is φ = 9854438808000.

The previous prime is 11201212112053. The next prime is 11201212112117. The reversal of 11201212112101 is 10121121210211.

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 11201212112101 - 2²¹ = 11201210014949 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 (11201212112131) 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, 16424064340 + ... + 16424065021.

It is an arithmetic number, because the mean of its divisors is an integer number (1576710209376).

Almost surely, 2^{11201212112101} is an apocalyptic number.

11201212112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11201212112101 is a deficient number, since it is larger than the sum of its proper divisors (1412469562907).

11201212112101 is a wasteful number, since it uses less digits than its factorization.

11201212112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32848129403.

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

Adding to 11201212112101 its reverse (10121121210211), we get a palindrome (21322333322312).

The spelling of 11201212112101 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, one hundred one".