102121120000118 has 8 divisors (see below), whose sum is σ = 153184380025512. Its totient is φ = 51059659991616.

The previous prime is 102121120000117. The next prime is 102121120000129. The reversal of 102121120000118 is 811000021121201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102121120000118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121120000117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449862380 + ... + 450089327.

It is an arithmetic number, because the mean of its divisors is an integer number (19148047503189).

Almost surely, 2^{102121120000118} is an apocalyptic number.

102121120000118 is a deficient number, since it is larger than the sum of its proper divisors (51063260025394).

102121120000118 is an equidigital number, since it uses as much as digits as its factorization.

102121120000118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900008446.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 102121120000118 its reverse (811000021121201), we get a palindrome (913121141121319).

The spelling of 102121120000118 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred eighteen", and thus it is an aban number.