2021301100123 has 2 divisors, whose sum is σ = 2021301100124. Its totient is φ = 2021301100122.

The previous prime is 2021301100111. The next prime is 2021301100127. The reversal of 2021301100123 is 3210011031202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021301100123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021301100097 and 2021301100106.

It is not a weakly prime, because it can be changed into another prime (2021301100127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010650550061 + 1010650550062.

It is an arithmetic number, because the mean of its divisors is an integer number (1010650550062).

Almost surely, 2^{2021301100123} is an apocalyptic number.

2021301100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021301100123 is an equidigital number, since it uses as much as digits as its factorization.

2021301100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021301100123 its reverse (3210011031202), we get a palindrome (5231312131325).

The spelling of 2021301100123 in words is "two trillion, twenty-one billion, three hundred one million, one hundred thousand, one hundred twenty-three".