21122000120211 has 8 divisors (see below), whose sum is σ = 28162755374544. Its totient is φ = 14081289139680.

The previous prime is 21122000120167. The next prime is 21122000120227. The reversal of 21122000120211 is 11202100022112.

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

It is not a de Polignac number, because 21122000120211 - 2³³ = 21113410185619 is a prime.

It is a super-2 number, since 2×21122000120211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122000120251) 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, 9938800 + ... + 11875341.

It is an arithmetic number, because the mean of its divisors is an integer number (3520344421818).

Almost surely, 2^{21122000120211} is an apocalyptic number.

21122000120211 is a deficient number, since it is larger than the sum of its proper divisors (7040755254333).

21122000120211 is a wasteful number, since it uses less digits than its factorization.

21122000120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136901.

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

Adding to 21122000120211 its reverse (11202100022112), we get a palindrome (32324100142323).

The spelling of 21122000120211 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred twenty thousand, two hundred eleven".