211216616214 has 16 divisors (see below), whose sum is σ = 423138470400. Its totient is φ = 70287999080.

The previous prime is 211216616201. The next prime is 211216616239. The reversal of 211216616214 is 412616612112.

It is a super-2 number, since 2×211216616214² (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 7 ways as a sum of consecutive naturals, for example, 29381022 + ... + 29388209.

It is an arithmetic number, because the mean of its divisors is an integer number (26446154400).

Almost surely, 2^211216616214 is an apocalyptic number.

211216616214 is an abundant number, since it is smaller than the sum of its proper divisors (211921854186).

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

211216616214 is a wasteful number, since it uses less digits than its factorization.

211216616214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58769835.

The product of its digits is 6912, while the sum is 33.

The spelling of 211216616214 in words is "two hundred eleven billion, two hundred sixteen million, six hundred sixteen thousand, two hundred fourteen".