1103221313131 has 16 divisors (see below), whose sum is σ = 1262784466944. Its totient is φ = 944149051584.

The previous prime is 1103221313123. The next prime is 1103221313143. The reversal of 1103221313131 is 1313131223011.

It is a cyclic number.

It is not a de Polignac number, because 1103221313131 - 2³ = 1103221313123 is a prime.

It is a super-2 number, since 2×1103221313131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103221343131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16061046 + ... + 16129588.

It is an arithmetic number, because the mean of its divisors is an integer number (78924029184).

Almost surely, 2^{1103221313131} is an apocalyptic number.

1103221313131 is a deficient number, since it is larger than the sum of its proper divisors (159563153813).

1103221313131 is an equidigital number, since it uses as much as digits as its factorization.

1103221313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72090.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1103221313131 its reverse (1313131223011), we get a palindrome (2416352536142).

The spelling of 1103221313131 in words is "one trillion, one hundred three billion, two hundred twenty-one million, three hundred thirteen thousand, one hundred thirty-one".