1121214121211 has 4 divisors (see below), whose sum is σ = 1126527932424. Its totient is φ = 1115900310000.

The previous prime is 1121214121177. The next prime is 1121214121267.

1121214121211 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1121214121211 - 2¹⁴ = 1121214104827 is a prime.

It is a super-2 number, since 2×1121214121211² (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 (1121214121711) 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 3 ways as a sum of consecutive naturals, for example, 2656905290 + ... + 2656905711.

It is an arithmetic number, because the mean of its divisors is an integer number (281631983106).

Almost surely, 2^{1121214121211} is an apocalyptic number.

1121214121211 is a deficient number, since it is larger than the sum of its proper divisors (5313811213).

1121214121211 is an equidigital number, since it uses as much as digits as its factorization.

1121214121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313811212.

The product of its digits is 64, while the sum is 20.

The spelling of 1121214121211 in words is "one trillion, one hundred twenty-one billion, two hundred fourteen million, one hundred twenty-one thousand, two hundred eleven".