2123010121301 has 4 divisors (see below), whose sum is σ = 2123014133100. Its totient is φ = 2123006109504.

The previous prime is 2123010121223. The next prime is 2123010121381. The reversal of 2123010121301 is 1031210103212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 436985780401 + 1686024340900 = 661049^2 + 1298470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123010121301 - 2³⁴ = 2105830252117 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 2123010121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123010121381) 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 3 ways as a sum of consecutive naturals, for example, 1064996 + ... + 2319533.

It is an arithmetic number, because the mean of its divisors is an integer number (530753533275).

Almost surely, 2^{2123010121301} is an apocalyptic number.

It is an amenable number.

2123010121301 is a deficient number, since it is larger than the sum of its proper divisors (4011799).

2123010121301 is an equidigital number, since it uses as much as digits as its factorization.

2123010121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011798.

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

Adding to 2123010121301 its reverse (1031210103212), we get a palindrome (3154220224513).

The spelling of 2123010121301 in words is "two trillion, one hundred twenty-three billion, ten million, one hundred twenty-one thousand, three hundred one".