1122201011211 has 64 divisors (see below), whose sum is σ = 1764974002176. Its totient is φ = 620904787200.

The previous prime is 1122201011207. The next prime is 1122201011221. The reversal of 1122201011211 is 1121101022211.

It is a happy number.

It is not a de Polignac number, because 1122201011211 - 2² = 1122201011207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122201011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61356910 + ... + 61375196.

It is an arithmetic number, because the mean of its divisors is an integer number (27577718784).

Almost surely, 2^{1122201011211} is an apocalyptic number.

1122201011211 is a deficient number, since it is larger than the sum of its proper divisors (642772990965).

1122201011211 is a wasteful number, since it uses less digits than its factorization.

1122201011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18872.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1122201011211 its reverse (1121101022211), we get a palindrome (2243302033422).

The spelling of 1122201011211 in words is "one trillion, one hundred twenty-two billion, two hundred one million, eleven thousand, two hundred eleven".