100222117115515 has 16 divisors (see below), whose sum is σ = 121514017390848. Its totient is φ = 79347567032416.

The previous prime is 100222117115479. The next prime is 100222117115591. The reversal of 100222117115515 is 515511711222001.

It is a cyclic number.

It is not a de Polignac number, because 100222117115515 - 2¹¹ = 100222117113467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94759477 + ... + 95811286.

It is an arithmetic number, because the mean of its divisors is an integer number (7594626086928).

Almost surely, 2^{100222117115515} is an apocalyptic number.

100222117115515 is a deficient number, since it is larger than the sum of its proper divisors (21291900275333).

100222117115515 is a wasteful number, since it uses less digits than its factorization.

100222117115515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190571858.

The product of its (nonzero) digits is 7000, while the sum is 34.

Adding to 100222117115515 its reverse (515511711222001), we get a palindrome (615733828337516).

The spelling of 100222117115515 in words is "one hundred trillion, two hundred twenty-two billion, one hundred seventeen million, one hundred fifteen thousand, five hundred fifteen".