10200120121 has 8 divisors (see below), whose sum is σ = 10234879200. Its totient is φ = 10165409760.

The previous prime is 10200120089. The next prime is 10200120131. The reversal of 10200120121 is 12102100201.

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 10200120121 - 2⁵ = 10200120089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200120098 and 10200120107.

It is not an unprimeable number, because it can be changed into a prime (10200120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434790 + ... + 457648.

It is an arithmetic number, because the mean of its divisors is an integer number (1279359900).

Almost surely, 2^10200120121 is an apocalyptic number.

It is an amenable number.

10200120121 is a deficient number, since it is larger than the sum of its proper divisors (34759079).

10200120121 is a wasteful number, since it uses less digits than its factorization.

10200120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24359.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10200120121 its reverse (12102100201), we get a palindrome (22302220322).

It can be divided in two parts, 10200 and 120121, that added together give a 4-th power (130321 = 19⁴).

The spelling of 10200120121 in words is "ten billion, two hundred million, one hundred twenty thousand, one hundred twenty-one".