1100012131 has 2 divisors, whose sum is σ = 1100012132. Its totient is φ = 1100012130.

The previous prime is 1100012119. The next prime is 1100012141. The reversal of 1100012131 is 1312100011.

It is an a-pointer prime, because the next prime (1100012141) can be obtained adding 1100012131 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100012131 - 2¹⁷ = 1099881059 is a prime.

It is a super-2 number, since 2×1100012131² = 2420053376694322322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550006065 + 550006066.

It is an arithmetic number, because the mean of its divisors is an integer number (550006066).

Almost surely, 2^1100012131 is an apocalyptic number.

1100012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100012131 is an equidigital number, since it uses as much as digits as its factorization.

1100012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1100012131 is about 33166.4307847558. The cubic root of 1100012131 is about 1032.2839101667.

Adding to 1100012131 its reverse (1312100011), we get a palindrome (2412112142).

The spelling of 1100012131 in words is "one billion, one hundred million, twelve thousand, one hundred thirty-one".