211320032122 has 8 divisors (see below), whose sum is σ = 316982405376. Its totient is φ = 105659230332.

The previous prime is 211320032071. The next prime is 211320032137. The reversal of 211320032122 is 221230023112.

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

It is a super-2 number, since 2×211320032122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211320032122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37693 + ... + 651199.

It is an arithmetic number, because the mean of its divisors is an integer number (39622800672).

Almost surely, 2^211320032122 is an apocalyptic number.

211320032122 is a deficient number, since it is larger than the sum of its proper divisors (105662373254).

211320032122 is a wasteful number, since it uses less digits than its factorization.

211320032122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785732.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211320032122 its reverse (221230023112), we get a palindrome (432550055234).

The spelling of 211320032122 in words is "two hundred eleven billion, three hundred twenty million, thirty-two thousand, one hundred twenty-two".