1122220011211 has 8 divisors (see below), whose sum is σ = 1208554455024. Its totient is φ = 1035886971360.

The previous prime is 1122220011181. The next prime is 1122220011287. The reversal of 1122220011211 is 1121100222211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122220011211 - 2¹³ = 1122220003019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122220011511) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1795260 + ... + 2338246.

It is an arithmetic number, because the mean of its divisors is an integer number (151069306878).

Almost surely, 2^{1122220011211} is an apocalyptic number.

1122220011211 is a deficient number, since it is larger than the sum of its proper divisors (86334443813).

1122220011211 is a wasteful number, since it uses less digits than its factorization.

1122220011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701981.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122220011211 its reverse (1121100222211), we get a palindrome (2243320233422).

The spelling of 1122220011211 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred eleven".