121001012000121 has 8 divisors (see below), whose sum is σ = 176001472000224. Its totient is φ = 73333946666720.

The previous prime is 121001012000021. The next prime is 121001012000173. The reversal of 121001012000121 is 121000210100121.

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 121001012000121 - 2³⁷ = 120863573046649 is a prime.

It is a super-3 number, since 3×121001012000121³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121001012000097 and 121001012000106.

It is not an unprimeable number, because it can be changed into a prime (121001012000021) 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, 1833348666636 + ... + 1833348666701.

It is an arithmetic number, because the mean of its divisors is an integer number (22000184000028).

Almost surely, 2^{121001012000121} is an apocalyptic number.

121001012000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121001012000121 is a deficient number, since it is larger than the sum of its proper divisors (55000460000103).

121001012000121 is a wasteful number, since it uses less digits than its factorization.

121001012000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666697333351.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121001012000121 its reverse (121000210100121), we get a palindrome (242001222100242).

The spelling of 121001012000121 in words is "one hundred twenty-one trillion, one billion, twelve million, one hundred twenty-one", and thus it is an aban number.