1102321131121 has 4 divisors (see below), whose sum is σ = 1259795578432. Its totient is φ = 944846683812.

The previous prime is 1102321131073. The next prime is 1102321131133. The reversal of 1102321131121 is 1211311232011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102321131121 - 2¹⁹ = 1102320606833 is a prime.

It is a super-2 number, since 2×1102321131121² (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 (1102321131151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78737223645 + ... + 78737223658.

It is an arithmetic number, because the mean of its divisors is an integer number (314948894608).

Almost surely, 2^{1102321131121} is an apocalyptic number.

It is an amenable number.

1102321131121 is a deficient number, since it is larger than the sum of its proper divisors (157474447311).

1102321131121 is an equidigital number, since it uses as much as digits as its factorization.

1102321131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157474447310.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1102321131121 its reverse (1211311232011), we get a palindrome (2313632363132).

The spelling of 1102321131121 in words is "one trillion, one hundred two billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-one".