10120200121 has 16 divisors (see below), whose sum is σ = 10420080640. Its totient is φ = 9825163920.

The previous prime is 10120200119. The next prime is 10120200133. The reversal of 10120200121 is 12100202101.

It is a cyclic number.

It is not a de Polignac number, because 10120200121 - 2¹ = 10120200119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120200098 and 10120200107.

It is not an unprimeable number, because it can be changed into a prime (10120200421) 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 15 ways as a sum of consecutive naturals, for example, 3656080 + ... + 3658846.

It is an arithmetic number, because the mean of its divisors is an integer number (651255040).

Almost surely, 2^10120200121 is an apocalyptic number.

It is an amenable number.

10120200121 is a deficient number, since it is larger than the sum of its proper divisors (299880519).

10120200121 is an equidigital number, since it uses as much as digits as its factorization.

10120200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

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

Adding to 10120200121 its reverse (12100202101), we get a palindrome (22220402222).

The spelling of 10120200121 in words is "ten billion, one hundred twenty million, two hundred thousand, one hundred twenty-one".