21120100202211 has 8 divisors (see below), whose sum is σ = 29642245897920. Its totient is φ = 13339010653992.

The previous prime is 21120100202203. The next prime is 21120100202213. The reversal of 21120100202211 is 11220200102112.

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

It is not a de Polignac number, because 21120100202211 - 2³ = 21120100202203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120100202213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185264036805 + ... + 185264036918.

It is an arithmetic number, because the mean of its divisors is an integer number (3705280737240).

Almost surely, 2^{21120100202211} is an apocalyptic number.

21120100202211 is a deficient number, since it is larger than the sum of its proper divisors (8522145695709).

21120100202211 is a wasteful number, since it uses less digits than its factorization.

21120100202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370528073745.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21120100202211 its reverse (11220200102112), we get a palindrome (32340300304323).

The spelling of 21120100202211 in words is "twenty-one trillion, one hundred twenty billion, one hundred million, two hundred two thousand, two hundred eleven".