120200102000121 has 64 divisors (see below), whose sum is σ = 193012817437440. Its totient is φ = 65558771712000.

The previous prime is 120200101999973. The next prime is 120200102000129. The reversal of 120200102000121 is 121000201002021.

It is not a de Polignac number, because 120200102000121 - 2¹⁷ = 120200101869049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120200102000097 and 120200102000106.

It is not an unprimeable number, because it can be changed into a prime (120200102000129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22743561 + ... + 27525801.

It is an arithmetic number, because the mean of its divisors is an integer number (3015825272460).

Almost surely, 2^{120200102000121} is an apocalyptic number.

120200102000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120200102000121 is a deficient number, since it is larger than the sum of its proper divisors (72812715437319).

120200102000121 is a wasteful number, since it uses less digits than its factorization.

120200102000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783738.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120200102000121 its reverse (121000201002021), we get a palindrome (241200303002142).

The spelling of 120200102000121 in words is "one hundred twenty trillion, two hundred billion, one hundred two million, one hundred twenty-one", and thus it is an aban number.