111210212222102 has 24 divisors (see below), whose sum is σ = 194051215245456. Its totient is φ = 47661337057488.

The previous prime is 111210212222093. The next prime is 111210212222147. The reversal of 111210212222102 is 201222212012111.

It is a super-2 number, since 2×111210212222102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25323368 + ... + 29388660.

It is an arithmetic number, because the mean of its divisors is an integer number (8085467301894).

Almost surely, 2^{111210212222102} is an apocalyptic number.

111210212222102 is a deficient number, since it is larger than the sum of its proper divisors (82841003023354).

111210212222102 is a wasteful number, since it uses less digits than its factorization.

111210212222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344452 (or 4344445 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111210212222102 its reverse (201222212012111), we get a palindrome (312432424234213).

The spelling of 111210212222102 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".