2100001202023 has 2 divisors, whose sum is σ = 2100001202024. Its totient is φ = 2100001202022.

The previous prime is 2100001201943. The next prime is 2100001202111. The reversal of 2100001202023 is 3202021000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100001202023 - 2⁹ = 2100001201511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100001201994 and 2100001202012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100061202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000601011 + 1050000601012.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000601012).

Almost surely, 2^{2100001202023} is an apocalyptic number.

2100001202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100001202023 is an equidigital number, since it uses as much as digits as its factorization.

2100001202023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2100001202023 its reverse (3202021000012), we get a palindrome (5302022202035).

The spelling of 2100001202023 in words is "two trillion, one hundred billion, one million, two hundred two thousand, twenty-three".