1121242421211 has 24 divisors (see below), whose sum is σ = 1659523245072. Its totient is φ = 672812712000.

The previous prime is 1121242421203. The next prime is 1121242421213.

1121242421211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1121242421211 - 2³ = 1121242421203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121242421213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15254536 + ... + 15327861.

It is an arithmetic number, because the mean of its divisors is an integer number (69146801878).

Almost surely, 2^{1121242421211} is an apocalyptic number.

1121242421211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121242421211 is a deficient number, since it is larger than the sum of its proper divisors (538280823861).

1121242421211 is a wasteful number, since it uses less digits than its factorization.

1121242421211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582523 (or 30582512 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The spelling of 1121242421211 in words is "one trillion, one hundred twenty-one billion, two hundred forty-two million, four hundred twenty-one thousand, two hundred eleven".