1102111222222 has 4 divisors (see below), whose sum is σ = 1653166833336. Its totient is φ = 551055611110.

The previous prime is 1102111222217. The next prime is 1102111222253. The reversal of 1102111222222 is 2222221112011.

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

It is a super-2 number, since 2×1102111222222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1102111222222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275527805554 + ... + 275527805557.

It is an arithmetic number, because the mean of its divisors is an integer number (413291708334).

Almost surely, 2^{1102111222222} is an apocalyptic number.

1102111222222 is a deficient number, since it is larger than the sum of its proper divisors (551055611114).

1102111222222 is an equidigital number, since it uses as much as digits as its factorization.

1102111222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551055611113.

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

Adding to 1102111222222 its reverse (2222221112011), we get a palindrome (3324332334233).

The spelling of 1102111222222 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".