111120212122222 has 32 divisors (see below), whose sum is σ = 169222921870464. Its totient is φ = 54719133588000.

The previous prime is 111120212122217. The next prime is 111120212122229. The reversal of 111120212122222 is 222221212021111.

It is a super-3 number, since 3×111120212122222³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111120212122193 and 111120212122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120212122229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28624173 + ... + 32273575.

It is an arithmetic number, because the mean of its divisors is an integer number (5288216308452).

Almost surely, 2^{111120212122222} is an apocalyptic number.

111120212122222 is a deficient number, since it is larger than the sum of its proper divisors (58102709748242).

111120212122222 is a wasteful number, since it uses less digits than its factorization.

111120212122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650304.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111120212122222 its reverse (222221212021111), we get a palindrome (333341424143333).

The spelling of 111120212122222 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".