211022120105 has 8 divisors (see below), whose sum is σ = 253370515200. Its totient is φ = 168721715376.

The previous prime is 211022120069. The next prime is 211022120107. The reversal of 211022120105 is 501021220112.

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 211022120105 - 2²² = 211017925801 is a prime.

It is a super-2 number, since 2×211022120105² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211022120107) 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, 11987915 + ... + 12005504.

It is an arithmetic number, because the mean of its divisors is an integer number (31671314400).

Almost surely, 2^211022120105 is an apocalyptic number.

It is an amenable number.

211022120105 is a deficient number, since it is larger than the sum of its proper divisors (42348395095).

211022120105 is a wasteful number, since it uses less digits than its factorization.

211022120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23995183.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 211022120105 its reverse (501021220112), we get a palindrome (712043340217).

The spelling of 211022120105 in words is "two hundred eleven billion, twenty-two million, one hundred twenty thousand, one hundred five".