12100201021111 has 8 divisors (see below), whose sum is σ = 13835760821120. Its totient is φ = 10366381134648.

The previous prime is 12100201021091. The next prime is 12100201021123. The reversal of 12100201021111 is 11112010200121.

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 12100201021111 - 2³¹ = 12098053537463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100201021091 and 12100201021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100201021141) 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, 434963481 + ... + 434991298.

It is an arithmetic number, because the mean of its divisors is an integer number (1729470102640).

Almost surely, 2^{12100201021111} is an apocalyptic number.

12100201021111 is a deficient number, since it is larger than the sum of its proper divisors (1735559800009).

12100201021111 is an equidigital number, since it uses as much as digits as its factorization.

12100201021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869956773.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12100201021111 its reverse (11112010200121), we get a palindrome (23212211221232).

The spelling of 12100201021111 in words is "twelve trillion, one hundred billion, two hundred one million, twenty-one thousand, one hundred eleven".