21112011022201 has 8 divisors (see below), whose sum is σ = 23259317275008. Its totient is φ = 19002710190000.

The previous prime is 21112011022153. The next prime is 21112011022357. The reversal of 21112011022201 is 10222011021112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112011022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112041022201) 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, 9501353985 + ... + 9501356206.

It is an arithmetic number, because the mean of its divisors is an integer number (2907414659376).

Almost surely, 2^{21112011022201} is an apocalyptic number.

It is an amenable number.

21112011022201 is a deficient number, since it is larger than the sum of its proper divisors (2147306252807).

21112011022201 is a wasteful number, since it uses less digits than its factorization.

21112011022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002710303.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21112011022201 its reverse (10222011021112), we get a palindrome (31334022043313).

The spelling of 21112011022201 in words is "twenty-one trillion, one hundred twelve billion, eleven million, twenty-two thousand, two hundred one".