211212210093 has 8 divisors (see below), whose sum is σ = 281618493408. Its totient is φ = 140807033424.

The previous prime is 211212210049. The next prime is 211212210103. The reversal of 211212210093 is 390012212112.

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

It is not a de Polignac number, because 211212210093 - 2²⁹ = 210675339181 is a prime.

It is a super-2 number, since 2×211212210093² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212217093) 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, 417471 + ... + 772467.

It is an arithmetic number, because the mean of its divisors is an integer number (35202311676).

Almost surely, 2^211212210093 is an apocalyptic number.

It is an amenable number.

211212210093 is a deficient number, since it is larger than the sum of its proper divisors (70406283315).

211212210093 is a wasteful number, since it uses less digits than its factorization.

211212210093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553323.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 211212210093 in words is "two hundred eleven billion, two hundred twelve million, two hundred ten thousand, ninety-three".