111222000212222 has 4 divisors (see below), whose sum is σ = 166833000318336. Its totient is φ = 55611000106110.

The previous prime is 111222000212209. The next prime is 111222000212261. The reversal of 111222000212222 is 222212000222111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111222000212222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111222000212194 and 111222000212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805500053054 + ... + 27805500053057.

It is an arithmetic number, because the mean of its divisors is an integer number (41708250079584).

Almost surely, 2^{111222000212222} is an apocalyptic number.

111222000212222 is a deficient number, since it is larger than the sum of its proper divisors (55611000106114).

111222000212222 is an equidigital number, since it uses as much as digits as its factorization.

111222000212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611000106113.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111222000212222 its reverse (222212000222111), we get a palindrome (333434000434333).

The spelling of 111222000212222 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twelve thousand, two hundred twenty-two".