1013223322121 has 4 divisors (see below), whose sum is σ = 1014445546500. Its totient is φ = 1012001097744.

The previous prime is 1013223322093. The next prime is 1013223322141. The reversal of 1013223322121 is 1212233223101.

1013223322121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 852277929721 + 160945392400 = 923189^2 + 401180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013223322121 - 2³⁰ = 1012149580297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013223322141) 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, 611110946 + ... + 611112603.

It is an arithmetic number, because the mean of its divisors is an integer number (253611386625).

Almost surely, 2^{1013223322121} is an apocalyptic number.

It is an amenable number.

1013223322121 is a deficient number, since it is larger than the sum of its proper divisors (1222224379).

1013223322121 is an equidigital number, since it uses as much as digits as its factorization.

1013223322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222224378.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1013223322121 its reverse (1212233223101), we get a palindrome (2225456545222).

The spelling of 1013223322121 in words is "one trillion, thirteen billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-one".