1101882121 has 2 divisors, whose sum is σ = 1101882122. Its totient is φ = 1101882120.

The previous prime is 1101882113. The next prime is 1101882127. The reversal of 1101882121 is 1212881011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825125625 + 276756496 = 28725^2 + 16636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101882121 - 2³ = 1101882113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101882127) 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, 550941060 + 550941061.

It is an arithmetic number, because the mean of its divisors is an integer number (550941061).

Almost surely, 2^1101882121 is an apocalyptic number.

It is an amenable number.

1101882121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101882121 is an equidigital number, since it uses as much as digits as its factorization.

1101882121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 25.

The square root of 1101882121 is about 33194.6098184630. The cubic root of 1101882121 is about 1032.8685303157.

It can be divided in two parts, 11018 and 82121, that added together give a palindrome (93139).

The spelling of 1101882121 in words is "one billion, one hundred one million, eight hundred eighty-two thousand, one hundred twenty-one".