100210212020117 has 2 divisors, whose sum is σ = 100210212020118. Its totient is φ = 100210212020116.

The previous prime is 100210212020101. The next prime is 100210212020137. The reversal of 100210212020117 is 711020212012001.

It is a happy number.

It is an a-pointer prime, because the next prime (100210212020137) can be obtained adding 100210212020117 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97405076098801 + 2805135921316 = 9869401^2 + 1674854^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210212020117 - 2⁴ = 100210212020101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100210212020137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105106010058 + 50105106010059.

It is an arithmetic number, because the mean of its divisors is an integer number (50105106010059).

Almost surely, 2^{100210212020117} is an apocalyptic number.

It is an amenable number.

100210212020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

100210212020117 is an equidigital number, since it uses as much as digits as its factorization.

100210212020117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 100210212020117 its reverse (711020212012001), we get a palindrome (811230424032118).

The spelling of 100210212020117 in words is "one hundred trillion, two hundred ten billion, two hundred twelve million, twenty thousand, one hundred seventeen".