211320421134 has 8 divisors (see below), whose sum is σ = 422640842280. Its totient is φ = 70440140376.

The previous prime is 211320421069. The next prime is 211320421321. The reversal of 211320421134 is 431124023112.

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

211320421134 is an admirable number.

It is a super-2 number, since 2×211320421134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 17610035089 + ... + 17610035100.

It is an arithmetic number, because the mean of its divisors is an integer number (52830105285).

Almost surely, 2^211320421134 is an apocalyptic number.

211320421134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211320421134 is a wasteful number, since it uses less digits than its factorization.

211320421134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220070194.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211320421134 its reverse (431124023112), we get a palindrome (642444444246).

The spelling of 211320421134 in words is "two hundred eleven billion, three hundred twenty million, four hundred twenty-one thousand, one hundred thirty-four".