1100222120222 has 4 divisors (see below), whose sum is σ = 1650333180336. Its totient is φ = 550111060110.

The previous prime is 1100222120213. The next prime is 1100222120269. The reversal of 1100222120222 is 2220212220011.

It is a happy number.

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

It is a super-3 number, since 3×1100222120222³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100222120222.

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, 275055530054 + ... + 275055530057.

It is an arithmetic number, because the mean of its divisors is an integer number (412583295084).

Almost surely, 2^{1100222120222} is an apocalyptic number.

1100222120222 is a deficient number, since it is larger than the sum of its proper divisors (550111060114).

1100222120222 is an equidigital number, since it uses as much as digits as its factorization.

1100222120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550111060113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1100222120222 its reverse (2220212220011), we get a palindrome (3320434340233).

The spelling of 1100222120222 in words is "one trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".