1103210321213 has 32 divisors (see below), whose sum is σ = 1482597580800. Its totient is φ = 792787124160.

The previous prime is 1103210321207. The next prime is 1103210321221. The reversal of 1103210321213 is 3121230123011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1103210321213 - 2⁶ = 1103210321149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103210321203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581138 + ... + 1595036.

It is an arithmetic number, because the mean of its divisors is an integer number (46331174400).

Almost surely, 2^{1103210321213} is an apocalyptic number.

1103210321213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1103210321213 is a deficient number, since it is larger than the sum of its proper divisors (379387259587).

1103210321213 is a wasteful number, since it uses less digits than its factorization.

1103210321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015017.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1103210321213 its reverse (3121230123011), we get a palindrome (4224440444224).

The spelling of 1103210321213 in words is "one trillion, one hundred three billion, two hundred ten million, three hundred twenty-one thousand, two hundred thirteen".