2102103122011 has 4 divisors (see below), whose sum is σ = 2102648701552. Its totient is φ = 2101557542472.

The previous prime is 2102103121969. The next prime is 2102103122017. The reversal of 2102103122011 is 1102213012012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102103122011 - 2¹⁹ = 2102102597723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102103122017) 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, 272783991 + ... + 272791696.

It is an arithmetic number, because the mean of its divisors is an integer number (525662175388).

Almost surely, 2^{2102103122011} is an apocalyptic number.

2102103122011 is a deficient number, since it is larger than the sum of its proper divisors (545579541).

2102103122011 is an equidigital number, since it uses as much as digits as its factorization.

2102103122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545579540.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2102103122011 its reverse (1102213012012), we get a palindrome (3204316134023).

The spelling of 2102103122011 in words is "two trillion, one hundred two billion, one hundred three million, one hundred twenty-two thousand, eleven".