102121120000121 has 8 divisors (see below), whose sum is σ = 103139266723200. Its totient is φ = 101103111444400.

The previous prime is 102121120000117. The next prime is 102121120000129. The reversal of 102121120000121 is 121000021121201.

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 102121120000121 - 2² = 102121120000117 is a prime.

It is a super-2 number, since 2×102121120000121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102121120000096 and 102121120000105.

It is not an unprimeable number, because it can be changed into a prime (102121120000129) 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, 33055931 + ... + 36013008.

It is an arithmetic number, because the mean of its divisors is an integer number (12892408340400).

Almost surely, 2^{102121120000121} is an apocalyptic number.

It is an amenable number.

102121120000121 is a deficient number, since it is larger than the sum of its proper divisors (1018146723079).

102121120000121 is a wasteful number, since it uses less digits than its factorization.

102121120000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69083679.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102121120000121 its reverse (121000021121201), we get a palindrome (223121141121322).

The spelling of 102121120000121 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-one", and thus it is an aban number.