211122301230 has 64 divisors (see below), whose sum is σ = 564168499200. Its totient is φ = 56181710880.

The previous prime is 211122301223. The next prime is 211122301289. The reversal of 211122301230 is 32103221112.

211122301230 is a `hidden beast` number, since 2 + 11 + 122 + 301 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686886 + ... + 945545.

It is an arithmetic number, because the mean of its divisors is an integer number (8815132800).

Almost surely, 2^211122301230 is an apocalyptic number.

211122301230 is an abundant number, since it is smaller than the sum of its proper divisors (353046197970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122301230 is a wasteful number, since it uses less digits than its factorization.

211122301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632926 (or 1632920 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211122301230 its reverse (32103221112), we get a palindrome (243225522342).

The spelling of 211122301230 in words is "two hundred eleven billion, one hundred twenty-two million, three hundred one thousand, two hundred thirty".