1220013102001 has 4 divisors (see below), whose sum is σ = 1220386083904. Its totient is φ = 1219640120100.

The previous prime is 1220013101963. The next prime is 1220013102023. The reversal of 1220013102001 is 1002013100221.

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 a de Polignac number, because none of the positive numbers 2^k-1220013102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220013100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186486045 + ... + 186492586.

It is an arithmetic number, because the mean of its divisors is an integer number (305096520976).

Almost surely, 2^{1220013102001} is an apocalyptic number.

It is an amenable number.

1220013102001 is a deficient number, since it is larger than the sum of its proper divisors (372981903).

1220013102001 is an equidigital number, since it uses as much as digits as its factorization.

1220013102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372981902.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220013102001 its reverse (1002013100221), we get a palindrome (2222026202222).

The spelling of 1220013102001 in words is "one trillion, two hundred twenty billion, thirteen million, one hundred two thousand, one".