102102120011121 has 8 divisors (see below), whose sum is σ = 143301221068320. Its totient is φ = 64485549480672.

The previous prime is 102102120011119. The next prime is 102102120011123. The reversal of 102102120011121 is 121110021201201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102102120011119) and next prime (102102120011123).

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

It is not a de Polignac number, because 102102120011121 - 2¹ = 102102120011119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102102120011121.

It is not an unprimeable number, because it can be changed into a prime (102102120011123) 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, 895632631620 + ... + 895632631733.

It is an arithmetic number, because the mean of its divisors is an integer number (17912652633540).

Almost surely, 2^{102102120011121} is an apocalyptic number.

It is an amenable number.

102102120011121 is a deficient number, since it is larger than the sum of its proper divisors (41199101057199).

102102120011121 is a wasteful number, since it uses less digits than its factorization.

102102120011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791265263375.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102102120011121 its reverse (121110021201201), we get a palindrome (223212141212322).

The spelling of 102102120011121 in words is "one hundred two trillion, one hundred two billion, one hundred twenty million, eleven thousand, one hundred twenty-one".