100212102101 has 2 divisors, whose sum is σ = 100212102102. Its totient is φ = 100212102100.

The previous prime is 100212102073. The next prime is 100212102161. The reversal of 100212102101 is 101201212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65195962225 + 35016139876 = 255335^2 + 187126^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212102101 - 2⁶ = 100212102037 is a prime.

It is a super-2 number, since 2×100212102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212102161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106051050 + 50106051051.

It is an arithmetic number, because the mean of its divisors is an integer number (50106051051).

Almost surely, 2^100212102101 is an apocalyptic number.

It is an amenable number.

100212102101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212102101 is an equidigital number, since it uses as much as digits as its factorization.

100212102101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100212102101 its reverse (101201212001), we get a palindrome (201413314102).

The spelling of 100212102101 in words is "one hundred billion, two hundred twelve million, one hundred two thousand, one hundred one".