2102122020023 has 2 divisors, whose sum is σ = 2102122020024. Its totient is φ = 2102122020022.

The previous prime is 2102122020017. The next prime is 2102122020029. The reversal of 2102122020023 is 3200202212012.

It is a balanced prime because it is at equal distance from previous prime (2102122020017) and next prime (2102122020029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102122020023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102122019983 and 2102122020010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102122020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051061010011 + 1051061010012.

It is an arithmetic number, because the mean of its divisors is an integer number (1051061010012).

Almost surely, 2^{2102122020023} is an apocalyptic number.

2102122020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102122020023 is an equidigital number, since it uses as much as digits as its factorization.

2102122020023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2102122020023 its reverse (3200202212012), we get a palindrome (5302324232035).

The spelling of 2102122020023 in words is "two trillion, one hundred two billion, one hundred twenty-two million, twenty thousand, twenty-three".