100121202221099 has 2 divisors, whose sum is σ = 100121202221100. Its totient is φ = 100121202221098.

The previous prime is 100121202221039. The next prime is 100121202221129. The reversal of 100121202221099 is 990122202121001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121202221099 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121202221039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060601110549 + 50060601110550.

It is an arithmetic number, because the mean of its divisors is an integer number (50060601110550).

Almost surely, 2^{100121202221099} is an apocalyptic number.

100121202221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121202221099 is an equidigital number, since it uses as much as digits as its factorization.

100121202221099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 100121202221099 in words is "one hundred trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-one thousand, ninety-nine".