222100111022222 has 8 divisors (see below), whose sum is σ = 333159717140136. Its totient is φ = 111046871975512.

The previous prime is 222100111022171. The next prime is 222100111022233. The reversal of 222100111022222 is 222220111001222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 222100111022194 and 222100111022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591680593 + ... + 1591820124.

It is an arithmetic number, because the mean of its divisors is an integer number (41644964642517).

Almost surely, 2^{222100111022222} is an apocalyptic number.

222100111022222 is a deficient number, since it is larger than the sum of its proper divisors (111059606117914).

222100111022222 is a wasteful number, since it uses less digits than its factorization.

222100111022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183535602.

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

Adding to 222100111022222 its reverse (222220111001222), we get a palindrome (444320222023444).

The spelling of 222100111022222 in words is "two hundred twenty-two trillion, one hundred billion, one hundred eleven million, twenty-two thousand, two hundred twenty-two".