21022100112211 has 8 divisors (see below), whose sum is σ = 23028358632048. Its totient is φ = 19031701344000.

The previous prime is 21022100112017. The next prime is 21022100112241. The reversal of 21022100112211 is 11221100122012.

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 21022100112211 - 2⁹ = 21022100111699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21022100112241) 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, 3964935130 + ... + 3964940431.

It is an arithmetic number, because the mean of its divisors is an integer number (2878544829006).

Almost surely, 2^{21022100112211} is an apocalyptic number.

21022100112211 is a deficient number, since it is larger than the sum of its proper divisors (2006258519837).

21022100112211 is a wasteful number, since it uses less digits than its factorization.

21022100112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929875813.

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

Adding to 21022100112211 its reverse (11221100122012), we get a palindrome (32243200234223).

The spelling of 21022100112211 in words is "twenty-one trillion, twenty-two billion, one hundred million, one hundred twelve thousand, two hundred eleven".