1112121020131 has 6 divisors (see below), whose sum is σ = 1222414013996. Its totient is φ = 1011019109100.

The previous prime is 1112121020117. The next prime is 1112121020141. The reversal of 1112121020131 is 1310201212111.

It is a happy number.

It is not a de Polignac number, because 1112121020131 - 2²³ = 1112112631523 is a prime.

It is a super-2 number, since 2×1112121020131² (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 (1112121020141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4595541285 + ... + 4595541526.

Almost surely, 2^{1112121020131} is an apocalyptic number.

1112121020131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112121020131 is a deficient number, since it is larger than the sum of its proper divisors (110292993865).

1112121020131 is an equidigital number, since it uses as much as digits as its factorization.

1112121020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191082833 (or 9191082822 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1112121020131 its reverse (1310201212111), we get a palindrome (2422322232242).

The spelling of 1112121020131 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, twenty thousand, one hundred thirty-one".