1102131121005 has 24 divisors (see below), whose sum is σ = 1918559600568. Its totient is φ = 585280498176.

The previous prime is 1102131121001. The next prime is 1102131121027. The reversal of 1102131121005 is 5001211312011.

It can be written as a sum of positive squares in 4 ways, for example, as 20859736041 + 1081271384964 = 144429^2 + 1039842^2 .

It is not a de Polignac number, because 1102131121005 - 2² = 1102131121001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102131121001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52547032 + ... + 52568001.

It is an arithmetic number, because the mean of its divisors is an integer number (79939983357).

Almost surely, 2^{1102131121005} is an apocalyptic number.

1102131121005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102131121005 is a deficient number, since it is larger than the sum of its proper divisors (816428479563).

1102131121005 is a wasteful number, since it uses less digits than its factorization.

1102131121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105115277 (or 105115274 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 1102131121005 its reverse (5001211312011), we get a palindrome (6103342433016).

The spelling of 1102131121005 in words is "one trillion, one hundred two billion, one hundred thirty-one million, one hundred twenty-one thousand, five".