100212102121519 has 2 divisors, whose sum is σ = 100212102121520. Its totient is φ = 100212102121518.

The previous prime is 100212102121499. The next prime is 100212102121543. The reversal of 100212102121519 is 915121201212001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100212102121519 - 2¹³ = 100212102113327 is a prime.

It is a super-2 number, since 2×100212102121519² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212102121319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106051060759 + 50106051060760.

It is an arithmetic number, because the mean of its divisors is an integer number (50106051060760).

Almost surely, 2^{100212102121519} is an apocalyptic number.

100212102121519 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212102121519 is an equidigital number, since it uses as much as digits as its factorization.

100212102121519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 100212102121519 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, five hundred nineteen".