102121011000121 has 32 divisors (see below), whose sum is σ = 108761791944960. Its totient is φ = 95686521216000.

The previous prime is 102121011000097. The next prime is 102121011000161. The reversal of 102121011000121 is 121000110121201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102121011000121 - 2⁷ = 102121010999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121011000161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160845531 + ... + 161479183.

It is an arithmetic number, because the mean of its divisors is an integer number (3398805998280).

Almost surely, 2^{102121011000121} is an apocalyptic number.

It is an amenable number.

102121011000121 is a deficient number, since it is larger than the sum of its proper divisors (6640780944839).

102121011000121 is a wasteful number, since it uses less digits than its factorization.

102121011000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634497.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102121011000121 its reverse (121000110121201), we get a palindrome (223121121121322).

The spelling of 102121011000121 in words is "one hundred two trillion, one hundred twenty-one billion, eleven million, one hundred twenty-one", and thus it is an aban number.