102002111112121 has 8 divisors (see below), whose sum is σ = 111275234741664. Its totient is φ = 92729021555520.

The previous prime is 102002111112119. The next prime is 102002111112127. The reversal of 102002111112121 is 121211111200201.

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 102002111112121 - 2¹ = 102002111112119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002111112095 and 102002111112104.

It is not an unprimeable number, because it can be changed into a prime (102002111112127) 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, 2044915 + ... + 14428648.

It is an arithmetic number, because the mean of its divisors is an integer number (13909404342708).

Almost surely, 2^{102002111112121} is an apocalyptic number.

102002111112121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102002111112121 is a deficient number, since it is larger than the sum of its proper divisors (9273123629543).

102002111112121 is a wasteful number, since it uses less digits than its factorization.

102002111112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036471.

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

Adding to 102002111112121 its reverse (121211111200201), we get a palindrome (223213222312322).

The spelling of 102002111112121 in words is "one hundred two trillion, two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-one".