100021200012023 has 2 divisors, whose sum is σ = 100021200012024. Its totient is φ = 100021200012022.

The previous prime is 100021200011921. The next prime is 100021200012091. The reversal of 100021200012023 is 320210002120001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021200012023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100021200011989 and 100021200012007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021200018023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010600006011 + 50010600006012.

It is an arithmetic number, because the mean of its divisors is an integer number (50010600006012).

Almost surely, 2^{100021200012023} is an apocalyptic number.

100021200012023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021200012023 is an equidigital number, since it uses as much as digits as its factorization.

100021200012023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100021200012023 its reverse (320210002120001), we get a palindrome (420231202132024).

The spelling of 100021200012023 in words is "one hundred trillion, twenty-one billion, two hundred million, twelve thousand, twenty-three".