1013221102001 has 4 divisors (see below), whose sum is σ = 1013225708352. Its totient is φ = 1013216495652.

The previous prime is 1013221101943. The next prime is 1013221102067. The reversal of 1013221102001 is 1002011223101.

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 1013221102001 - 2¹⁰ = 1013221100977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013221104001) 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, 1955765 + ... + 2418978.

It is an arithmetic number, because the mean of its divisors is an integer number (253306427088).

Almost surely, 2^{1013221102001} is an apocalyptic number.

It is an amenable number.

1013221102001 is a deficient number, since it is larger than the sum of its proper divisors (4606351).

1013221102001 is an equidigital number, since it uses as much as digits as its factorization.

1013221102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606350.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1013221102001 its reverse (1002011223101), we get a palindrome (2015232325102).

The spelling of 1013221102001 in words is "one trillion, thirteen billion, two hundred twenty-one million, one hundred two thousand, one".