10210200121 has 4 divisors (see below), whose sum is σ = 11138400144. Its totient is φ = 9282000100.

The previous prime is 10210200113. The next prime is 10210200131. The reversal of 10210200121 is 12100201201.

10210200121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10210200121 - 2³ = 10210200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210200098 and 10210200107.

It is not an unprimeable number, because it can be changed into a prime (10210200131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464099995 + ... + 464100016.

It is an arithmetic number, because the mean of its divisors is an integer number (2784600036).

Almost surely, 2^10210200121 is an apocalyptic number.

10210200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210200121 is a deficient number, since it is larger than the sum of its proper divisors (928200023).

10210200121 is an equidigital number, since it uses as much as digits as its factorization.

10210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928200022.

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

Adding to 10210200121 its reverse (12100201201), we get a palindrome (22310401322).

The spelling of 10210200121 in words is "ten billion, two hundred ten million, two hundred thousand, one hundred twenty-one".