21122220012093 has 24 divisors (see below), whose sum is σ = 30745654299360. Its totient is φ = 13972678181280.

The previous prime is 21122220012079. The next prime is 21122220012133. The reversal of 21122220012093 is 39021002222112.

21122220012093 is a `hidden beast` number, since 211 + 22 + 220 + 0 + 1 + 209 + 3 = 666.

It is not a de Polignac number, because 21122220012093 - 2¹⁰ = 21122220011069 is a prime.

It is a super-2 number, since 2×21122220012093² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122220012893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11827155 + ... + 13495407.

It is an arithmetic number, because the mean of its divisors is an integer number (1281068929140).

Almost surely, 2^{21122220012093} is an apocalyptic number.

It is an amenable number.

21122220012093 is a deficient number, since it is larger than the sum of its proper divisors (9623434287267).

21122220012093 is a wasteful number, since it uses less digits than its factorization.

21122220012093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679129 (or 1679126 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 21122220012093 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, ninety-three".