1100122011211 has 4 divisors (see below), whose sum is σ = 1164835070712. Its totient is φ = 1035408951712.

The previous prime is 1100122011199. The next prime is 1100122011223. The reversal of 1100122011211 is 1121102210011.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1100122011199) and next prime (1100122011223).

It is a cyclic number.

It is not a de Polignac number, because 1100122011211 - 2²⁷ = 1099987793483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100122011191 and 1100122011200.

It is not an unprimeable number, because it can be changed into a prime (1100122011271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32356529725 + ... + 32356529758.

It is an arithmetic number, because the mean of its divisors is an integer number (291208767678).

Almost surely, 2^{1100122011211} is an apocalyptic number.

1100122011211 is a deficient number, since it is larger than the sum of its proper divisors (64713059501).

1100122011211 is an equidigital number, since it uses as much as digits as its factorization.

1100122011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64713059500.

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

Adding to 1100122011211 its reverse (1121102210011), we get a palindrome (2221224221222).

The spelling of 1100122011211 in words is "one trillion, one hundred billion, one hundred twenty-two million, eleven thousand, two hundred eleven".