210111222120093 has 64 divisors (see below), whose sum is σ = 361117651507200. Its totient is φ = 118258644176640.

The previous prime is 210111222120089. The next prime is 210111222120157. The reversal of 210111222120093 is 390021222111012.

210111222120093 is a `hidden beast` number, since 210 + 11 + 12 + 221 + 200 + 9 + 3 = 666.

It is not a de Polignac number, because 210111222120093 - 2² = 210111222120089 is a prime.

It is a super-3 number, since 3×210111222120093³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111222120013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15040188 + ... + 25424981.

It is an arithmetic number, because the mean of its divisors is an integer number (5642463304800).

Almost surely, 2^{210111222120093} is an apocalyptic number.

It is an amenable number.

210111222120093 is a deficient number, since it is larger than the sum of its proper divisors (151006429387107).

210111222120093 is a wasteful number, since it uses less digits than its factorization.

210111222120093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40465599 (or 40465593 counting only the distinct ones).

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

The spelling of 210111222120093 in words is "two hundred ten trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, ninety-three".