21112212000211 has 8 divisors (see below), whose sum is σ = 21902764928000. Its totient is φ = 20328503686920.

The previous prime is 21112212000181. The next prime is 21112212000221. The reversal of 21112212000211 is 11200021221112.

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 21112212000211 - 2⁹ = 21112211999699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112212000221) 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, 1711147341 + ... + 1711159678.

It is an arithmetic number, because the mean of its divisors is an integer number (2737845616000).

Almost surely, 2^{21112212000211} is an apocalyptic number.

21112212000211 is a deficient number, since it is larger than the sum of its proper divisors (790552927789).

21112212000211 is a wasteful number, since it uses less digits than its factorization.

21112212000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422307249.

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

Adding to 21112212000211 its reverse (11200021221112), we get a palindrome (32312233221323).

The spelling of 21112212000211 in words is "twenty-one trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven", and thus it is an aban number.