211122430105 has 8 divisors (see below), whose sum is σ = 253352923200. Its totient is φ = 168893939376.

The previous prime is 211122430073. The next prime is 211122430147. The reversal of 211122430105 is 501034221112.

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 211122430105 - 2⁵ = 211122430073 is a prime.

It is a super-2 number, since 2×211122430105² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257935 + ... + 699124.

It is an arithmetic number, because the mean of its divisors is an integer number (31669115400).

Almost surely, 2^211122430105 is an apocalyptic number.

It is an amenable number.

211122430105 is a deficient number, since it is larger than the sum of its proper divisors (42230493095).

211122430105 is an equidigital number, since it uses as much as digits as its factorization.

211122430105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001183.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 211122430105 its reverse (501034221112), we get a palindrome (712156651217).

The spelling of 211122430105 in words is "two hundred eleven billion, one hundred twenty-two million, four hundred thirty thousand, one hundred five".