111210212210022 has 12 divisors (see below), whose sum is σ = 240955459788420. Its totient is φ = 37070070736668.

The previous prime is 111210212210017. The next prime is 111210212210039. The reversal of 111210212210022 is 220012212012111.

111210212210022 is a `hidden beast` number, since 1 + 11 + 210 + 212 + 210 + 0 + 22 = 666.

It is a super-2 number, since 2×111210212210022² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6178345122779 = 111210212210022 / (1 + 1 + 1 + 2 + 1 + 0 + 2 + 1 + 2 + 2 + 1 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 111210212209977 and 111210212210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089172561372 + ... + 3089172561407.

It is an arithmetic number, because the mean of its divisors is an integer number (20079621649035).

Almost surely, 2^{111210212210022} is an apocalyptic number.

111210212210022 is an abundant number, since it is smaller than the sum of its proper divisors (129745247578398).

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

111210212210022 is a wasteful number, since it uses less digits than its factorization.

111210212210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178345122787 (or 6178345122784 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111210212210022 its reverse (220012212012111), we get a palindrome (331222424222133).

The spelling of 111210212210022 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twelve million, two hundred ten thousand, twenty-two".