1121354531211 has 16 divisors (see below), whose sum is σ = 1513176208128. Its totient is φ = 738582972000.

The previous prime is 1121354531191. The next prime is 1121354531249.

1121354531211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1121354531211 - 2⁷ = 1121354531083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121354521211) 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, 3820855 + ... + 4103856.

It is an arithmetic number, because the mean of its divisors is an integer number (94573513008).

Almost surely, 2^{1121354531211} is an apocalyptic number.

1121354531211 is a deficient number, since it is larger than the sum of its proper divisors (391821676917).

1121354531211 is a wasteful number, since it uses less digits than its factorization.

1121354531211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925282.

The product of its digits is 3600, while the sum is 30.

The spelling of 1121354531211 in words is "one trillion, one hundred twenty-one billion, three hundred fifty-four million, five hundred thirty-one thousand, two hundred eleven".