1101012121321 has 12 divisors (see below), whose sum is σ = 1281210556032. Its totient is φ = 943399467528.

The previous prime is 1101012121309. The next prime is 1101012121327. The reversal of 1101012121321 is 1231212101011.

It is a happy number.

It is not a de Polignac number, because 1101012121321 - 2⁵ = 1101012121289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101012121295 and 1101012121304.

It is not an unprimeable number, because it can be changed into a prime (1101012121327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3727825 + ... + 4012318.

It is an arithmetic number, because the mean of its divisors is an integer number (106767546336).

Almost surely, 2^{1101012121321} is an apocalyptic number.

It is an amenable number.

1101012121321 is a deficient number, since it is larger than the sum of its proper divisors (180198434711).

1101012121321 is an equidigital number, since it uses as much as digits as its factorization.

1101012121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743060 (or 7743053 counting only the distinct ones).

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

Adding to 1101012121321 its reverse (1231212101011), we get a palindrome (2332224222332).

The spelling of 1101012121321 in words is "one trillion, one hundred one billion, twelve million, one hundred twenty-one thousand, three hundred twenty-one".