2103101221001 has 16 divisors (see below), whose sum is σ = 2368828174848. Its totient is φ = 1849824345600.

The previous prime is 2103101220977. The next prime is 2103101221087. The reversal of 2103101221001 is 1001221013012.

It is a de Polignac number, because none of the positive numbers 2^k-2103101221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103101221901) 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, 855635 + ... + 2222231.

It is an arithmetic number, because the mean of its divisors is an integer number (148051760928).

Almost surely, 2^{2103101221001} is an apocalyptic number.

It is an amenable number.

2103101221001 is a deficient number, since it is larger than the sum of its proper divisors (265726953847).

2103101221001 is a wasteful number, since it uses less digits than its factorization.

2103101221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371152.

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

Adding to 2103101221001 its reverse (1001221013012), we get a palindrome (3104322234013).

The spelling of 2103101221001 in words is "two trillion, one hundred three billion, one hundred one million, two hundred twenty-one thousand, one".