102112121501 has 8 divisors (see below), whose sum is σ = 110017397280. Its totient is φ = 94214059632.

The previous prime is 102112121491. The next prime is 102112121519. The reversal of 102112121501 is 105121211201.

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

It is a cyclic number.

It is not a de Polignac number, because 102112121501 - 2⁶ = 102112121437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112121501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112121581) 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, 1774055 + ... + 1830708.

It is an arithmetic number, because the mean of its divisors is an integer number (13752174660).

Almost surely, 2^102112121501 is an apocalyptic number.

It is an amenable number.

102112121501 is a deficient number, since it is larger than the sum of its proper divisors (7905275779).

102112121501 is a wasteful number, since it uses less digits than its factorization.

102112121501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606955.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 102112121501 its reverse (105121211201), we get a palindrome (207233332702).

The spelling of 102112121501 in words is "one hundred two billion, one hundred twelve million, one hundred twenty-one thousand, five hundred one".