1223101113001 has 4 divisors (see below), whose sum is σ = 1243831640400. Its totient is φ = 1202370585604.

The previous prime is 1223101112971. The next prime is 1223101113007. The reversal of 1223101113001 is 1003111013221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223101113001 - 2²¹ = 1223099015849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223101113007) 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, 10365263611 + ... + 10365263728.

It is an arithmetic number, because the mean of its divisors is an integer number (310957910100).

Almost surely, 2^{1223101113001} is an apocalyptic number.

It is an amenable number.

1223101113001 is a deficient number, since it is larger than the sum of its proper divisors (20730527399).

1223101113001 is an equidigital number, since it uses as much as digits as its factorization.

1223101113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20730527398.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1223101113001 its reverse (1003111013221), we get a palindrome (2226212126222).

The spelling of 1223101113001 in words is "one trillion, two hundred twenty-three billion, one hundred one million, one hundred thirteen thousand, one".