1122110121211 has 16 divisors (see below), whose sum is σ = 1137646677024. Its totient is φ = 1106715361024.

The previous prime is 1122110121089. The next prime is 1122110121241. The reversal of 1122110121211 is 1121210112211.

It is a cyclic number.

It is not a de Polignac number, because 1122110121211 - 2⁹ = 1122110120699 is a prime.

It is a super-2 number, since 2×1122110121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122110121241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10365681 + ... + 10473373.

It is an arithmetic number, because the mean of its divisors is an integer number (71102917314).

Almost surely, 2^{1122110121211} is an apocalyptic number.

1122110121211 is a deficient number, since it is larger than the sum of its proper divisors (15536555813).

1122110121211 is a wasteful number, since it uses less digits than its factorization.

1122110121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108350.

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

Adding to 1122110121211 its reverse (1121210112211), we get a palindrome (2243320233422).

The spelling of 1122110121211 in words is "one trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, two hundred eleven".