2103100022121 has 16 divisors (see below), whose sum is σ = 3208543564800. Its totient is φ = 1200339045648.

The previous prime is 2103100022063. The next prime is 2103100022167. The reversal of 2103100022121 is 1212200013012.

It is not a de Polignac number, because 2103100022121 - 2¹⁹ = 2103099497833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103100022121.

It is not an unprimeable number, because it can be changed into a prime (2103100022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59665111 + ... + 59700348.

It is an arithmetic number, because the mean of its divisors is an integer number (200533972800).

Almost surely, 2^{2103100022121} is an apocalyptic number.

2103100022121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2103100022121 is a deficient number, since it is larger than the sum of its proper divisors (1105443542679).

2103100022121 is a wasteful number, since it uses less digits than its factorization.

2103100022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119366308.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2103100022121 its reverse (1212200013012), we get a palindrome (3315300035133).

The spelling of 2103100022121 in words is "two trillion, one hundred three billion, one hundred million, twenty-two thousand, one hundred twenty-one".