21110002111201 has 8 divisors (see below), whose sum is σ = 21138790556000. Its totient is φ = 21081232920960.

The previous prime is 21110002111169. The next prime is 21110002111229. The reversal of 21110002111201 is 10211120001112.

It is a happy number.

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 21110002111201 - 2⁵ = 21110002111169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110002111291) 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, 2618736 + ... + 7005553.

It is an arithmetic number, because the mean of its divisors is an integer number (2642348819500).

Almost surely, 2^{21110002111201} is an apocalyptic number.

It is an amenable number.

21110002111201 is a deficient number, since it is larger than the sum of its proper divisors (28788444799).

21110002111201 is a wasteful number, since it uses less digits than its factorization.

21110002111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627279.

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

Adding to 21110002111201 its reverse (10211120001112), we get a palindrome (31321122112313).

The spelling of 21110002111201 in words is "twenty-one trillion, one hundred ten billion, two million, one hundred eleven thousand, two hundred one".