1111222120222 has 32 divisors (see below), whose sum is σ = 1726913470464. Its totient is φ = 535910040000.

The previous prime is 1111222120219. The next prime is 1111222120303. The reversal of 1111222120222 is 2220212221111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111222120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018347 + ... + 5235097.

It is an arithmetic number, because the mean of its divisors is an integer number (53966045952).

Almost surely, 2^{1111222120222} is an apocalyptic number.

1111222120222 is a deficient number, since it is larger than the sum of its proper divisors (615691350242).

1111222120222 is a wasteful number, since it uses less digits than its factorization.

1111222120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217504.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1111222120222 its reverse (2220212221111), we get a palindrome (3331434341333).

The spelling of 1111222120222 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".