10200120121121 has 8 divisors (see below), whose sum is σ = 12164118405504. Its totient is φ = 8362831403520.

The previous prime is 10200120121021. The next prime is 10200120121123. The reversal of 10200120121121 is 12112102100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200120121121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10200120121096 and 10200120121105.

It is not an unprimeable number, because it can be changed into a prime (10200120121123) 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, 31677391520 + ... + 31677391841.

It is an arithmetic number, because the mean of its divisors is an integer number (1520514800688).

Almost surely, 2^{10200120121121} is an apocalyptic number.

It is an amenable number.

10200120121121 is a deficient number, since it is larger than the sum of its proper divisors (1963998284383).

10200120121121 is an equidigital number, since it uses as much as digits as its factorization.

10200120121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63354783391.

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

Adding to 10200120121121 its reverse (12112102100201), we get a palindrome (22312222221322).

The spelling of 10200120121121 in words is "ten trillion, two hundred billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".