2123102013101 has 4 divisors (see below), whose sum is σ = 2123394983232. Its totient is φ = 2122809042972.

The previous prime is 2123102013077. The next prime is 2123102013107. The reversal of 2123102013101 is 1013102013212.

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 2123102013101 - 2⁶ = 2123102013037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123102013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123102013107) 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, 146474195 + ... + 146488688.

It is an arithmetic number, because the mean of its divisors is an integer number (530848745808).

Almost surely, 2^{2123102013101} is an apocalyptic number.

It is an amenable number.

2123102013101 is a deficient number, since it is larger than the sum of its proper divisors (292970131).

2123102013101 is an equidigital number, since it uses as much as digits as its factorization.

2123102013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292970130.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2123102013101 its reverse (1013102013212), we get a palindrome (3136204026313).

The spelling of 2123102013101 in words is "two trillion, one hundred twenty-three billion, one hundred two million, thirteen thousand, one hundred one".