102122120211999 has 8 divisors (see below), whose sum is σ = 139842903353520. Its totient is φ = 66241375272576.

The previous prime is 102122120211959. The next prime is 102122120212003. The reversal of 102122120211999 is 999112021221201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102122120211999 - 2¹² = 102122120207903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102122120211999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122120211959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460009550394 + ... + 460009550615.

It is an arithmetic number, because the mean of its divisors is an integer number (17480362919190).

Almost surely, 2^{102122120211999} is an apocalyptic number.

102122120211999 is a deficient number, since it is larger than the sum of its proper divisors (37720783141521).

102122120211999 is an equidigital number, since it uses as much as digits as its factorization.

102122120211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920019101049.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 102122120211999 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, nine hundred ninety-nine".