100210010231021 has 2 divisors, whose sum is σ = 100210010231022. Its totient is φ = 100210010231020.

The previous prime is 100210010230961. The next prime is 100210010231033. The reversal of 100210010231021 is 120132010012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96752600964100 + 3457409266921 = 9836290^2 + 1859411^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210010231021 - 2¹⁴ = 100210010214637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100210010230987 and 100210010231005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100210010231921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105005115510 + 50105005115511.

It is an arithmetic number, because the mean of its divisors is an integer number (50105005115511).

Almost surely, 2^{100210010231021} is an apocalyptic number.

It is an amenable number.

100210010231021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100210010231021 is an equidigital number, since it uses as much as digits as its factorization.

100210010231021 is an evil number, because the sum of its binary digits is even.

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

Adding to 100210010231021 its reverse (120132010012001), we get a palindrome (220342020243022).

The spelling of 100210010231021 in words is "one hundred trillion, two hundred ten billion, ten million, two hundred thirty-one thousand, twenty-one".