1122100011211 has 8 divisors (see below), whose sum is σ = 1140865695200. Its totient is φ = 1103346282240.

The previous prime is 1122100011199. The next prime is 1122100011229. The reversal of 1122100011211 is 1121100012211.

It is a happy number.

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 1122100011211 - 2¹⁹ = 1122099486923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122100011191 and 1122100011200.

It is not an unprimeable number, because it can be changed into a prime (1122100011511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799366 + ... + 3175003.

It is an arithmetic number, because the mean of its divisors is an integer number (142608211900).

Almost surely, 2^{1122100011211} is an apocalyptic number.

1122100011211 is a deficient number, since it is larger than the sum of its proper divisors (18765683989).

1122100011211 is an equidigital number, since it uses as much as digits as its factorization.

1122100011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977509.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122100011211 its reverse (1121100012211), we get a palindrome (2243200023422).

The spelling of 1122100011211 in words is "one trillion, one hundred twenty-two billion, one hundred million, eleven thousand, two hundred eleven".