1122220222211 has 6 divisors (see below), whose sum is σ = 1233514789836. Its totient is φ = 1020200201900.

The previous prime is 1122220222183. The next prime is 1122220222259.

1122220222211 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1122220222211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122220228211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4637273525 + ... + 4637273766.

It is an arithmetic number, because the mean of its divisors is an integer number (205585798306).

Almost surely, 2^{1122220222211} is an apocalyptic number.

1122220222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122220222211 is a deficient number, since it is larger than the sum of its proper divisors (111294567625).

1122220222211 is an equidigital number, since it uses as much as digits as its factorization.

1122220222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274547313 (or 9274547302 counting only the distinct ones).

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

It can be divided in two parts, 1122220 and 222211, that added together give a palindrome (1344431).

The spelling of 1122220222211 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred eleven".