100102000121221 has 16 divisors (see below), whose sum is σ = 117209602056960. Its totient is φ = 83721144245760.

The previous prime is 100102000121141. The next prime is 100102000121257. The reversal of 100102000121221 is 122121000201001.

It is not a de Polignac number, because 100102000121221 - 2¹³ = 100102000113029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102000121281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038160426 + ... + 1038256843.

It is an arithmetic number, because the mean of its divisors is an integer number (7325600128560).

Almost surely, 2^{100102000121221} is an apocalyptic number.

It is an amenable number.

100102000121221 is a deficient number, since it is larger than the sum of its proper divisors (17107601935739).

100102000121221 is an equidigital number, since it uses as much as digits as its factorization.

100102000121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076417444.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100102000121221 its reverse (122121000201001), we get a palindrome (222223000322222).

The spelling of 100102000121221 in words is "one hundred trillion, one hundred two billion, one hundred twenty-one thousand, two hundred twenty-one".