1121022112131 has 12 divisors (see below), whose sum is σ = 1619266693408. Its totient is φ = 747342291024.

The previous prime is 1121022112087. The next prime is 1121022112139. The reversal of 1121022112131 is 1312112201211.

It is a happy number.

It is not a de Polignac number, because 1121022112131 - 2¹⁰ = 1121022111107 is a prime.

It is a super-3 number, since 3×1121022112131³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121022112139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978486 + ... + 1788708.

Almost surely, 2^{1121022112131} is an apocalyptic number.

1121022112131 is a deficient number, since it is larger than the sum of its proper divisors (498244581277).

1121022112131 is a wasteful number, since it uses less digits than its factorization.

1121022112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963962 (or 963959 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1121022112131 its reverse (1312112201211), we get a palindrome (2433134313342).

The spelling of 1121022112131 in words is "one trillion, one hundred twenty-one billion, twenty-two million, one hundred twelve thousand, one hundred thirty-one".