212011221102093 has 48 divisors (see below), whose sum is σ = 354347084023296. Its totient is φ = 119641115901600.

The previous prime is 212011221102077. The next prime is 212011221102223. The reversal of 212011221102093 is 390201122110212.

212011221102093 is a `hidden beast` number, since 21 + 201 + 1 + 221 + 10 + 209 + 3 = 666.

It is not a de Polignac number, because 212011221102093 - 2⁴ = 212011221102077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011221102493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4682418 + ... + 21117468.

It is an arithmetic number, because the mean of its divisors is an integer number (7382230917152).

Almost surely, 2^{212011221102093} is an apocalyptic number.

It is an amenable number.

212011221102093 is a deficient number, since it is larger than the sum of its proper divisors (142335862921203).

212011221102093 is a wasteful number, since it uses less digits than its factorization.

212011221102093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16437614 (or 16437611 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

It can be divided in two parts, 21201122110209 and 3, that added together give a palindrome (21201122110212).

The spelling of 212011221102093 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, one hundred two thousand, ninety-three".