100212102121099 has 2 divisors, whose sum is σ = 100212102121100. Its totient is φ = 100212102121098.

The previous prime is 100212102121093. The next prime is 100212102121237. The reversal of 100212102121099 is 990121201212001.

It is a weak prime.

It is an emirp because it is prime and its reverse (990121201212001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100212102121099 - 2³ = 100212102121091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212102121099.

It is not a weakly prime, because it can be changed into another prime (100212102121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106051060549 + 50106051060550.

It is an arithmetic number, because the mean of its divisors is an integer number (50106051060550).

Almost surely, 2^{100212102121099} is an apocalyptic number.

100212102121099 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212102121099 is an equidigital number, since it uses as much as digits as its factorization.

100212102121099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 100212102121099 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, ninety-nine".