100021121100023 has 2 divisors, whose sum is σ = 100021121100024. Its totient is φ = 100021121100022.

The previous prime is 100021121099947. The next prime is 100021121100041. The reversal of 100021121100023 is 320001121120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100021121100023 - 2³⁶ = 99952401623287 is a prime.

It is a super-2 number, since 2×100021121100023² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100021121099980 and 100021121100007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021121100323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010560550011 + 50010560550012.

It is an arithmetic number, because the mean of its divisors is an integer number (50010560550012).

Almost surely, 2^{100021121100023} is an apocalyptic number.

100021121100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021121100023 is an equidigital number, since it uses as much as digits as its factorization.

100021121100023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100021121100023 its reverse (320001121120001), we get a palindrome (420022242220024).

The spelling of 100021121100023 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, one hundred thousand, twenty-three".