1101342121 has 12 divisors (see below), whose sum is σ = 1217837376. Its totient is φ = 995206520.

The previous prime is 1101342107. The next prime is 1101342149. The reversal of 1101342121 is 1212431011.

It is not a de Polignac number, because 1101342121 - 2⁹ = 1101341609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101342095 and 1101342104.

It is not an unprimeable number, because it can be changed into a prime (1101342721) 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 in 11 ways as a sum of consecutive naturals, for example, 7045 + ... + 47458.

It is an arithmetic number, because the mean of its divisors is an integer number (101486448).

Almost surely, 2^1101342121 is an apocalyptic number.

1101342121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101342121 is a deficient number, since it is larger than the sum of its proper divisors (116495255).

1101342121 is a wasteful number, since it uses less digits than its factorization.

1101342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54692 (or 54681 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101342121 is about 33186.4749709878. The cubic root of 1101342121 is about 1032.6997765889.

Adding to 1101342121 its reverse (1212431011), we get a palindrome (2313773132).

The spelling of 1101342121 in words is "one billion, one hundred one million, three hundred forty-two thousand, one hundred twenty-one".