211220314399 has 8 divisors (see below), whose sum is σ = 218081388032. Its totient is φ = 204362210520.

The previous prime is 211220314387. The next prime is 211220314427. The reversal of 211220314399 is 993413022112.

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 211220314399 - 2¹³ = 211220306207 is a prime.

It is a super-2 number, since 2×211220314399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220314309) 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, 597429 + ... + 882814.

It is an arithmetic number, because the mean of its divisors is an integer number (27260173504).

Almost surely, 2^211220314399 is an apocalyptic number.

211220314399 is a deficient number, since it is larger than the sum of its proper divisors (6861073633).

211220314399 is a wasteful number, since it uses less digits than its factorization.

211220314399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484877.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 211220314399 in words is "two hundred eleven billion, two hundred twenty million, three hundred fourteen thousand, three hundred ninety-nine".