1102131121021 has 8 divisors (see below), whose sum is σ = 1333671272640. Its totient is φ = 889114181568.

The previous prime is 1102131121001. The next prime is 1102131121027. The reversal of 1102131121021 is 1201211312011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102131121021 - 2⁹ = 1102131120509 is a prime.

It is a super-2 number, since 2×1102131121021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102131120986 and 1102131121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102131121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4630802911 + ... + 4630803148.

It is an arithmetic number, because the mean of its divisors is an integer number (166708909080).

Almost surely, 2^{1102131121021} is an apocalyptic number.

It is an amenable number.

1102131121021 is a deficient number, since it is larger than the sum of its proper divisors (231540151619).

1102131121021 is an equidigital number, since it uses as much as digits as its factorization.

1102131121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261606083.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1102131121021 its reverse (1201211312011), we get a palindrome (2303342433032).

The spelling of 1102131121021 in words is "one trillion, one hundred two billion, one hundred thirty-one million, one hundred twenty-one thousand, twenty-one".