10000210121 has 8 divisors (see below), whose sum is σ = 10910096064. Its totient is φ = 9090453520.

The previous prime is 10000210117. The next prime is 10000210141. The reversal of 10000210121 is 12101200001.

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 10000210121 - 2² = 10000210117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000210099 and 10000210108.

It is not an unprimeable number, because it can be changed into a prime (10000210141) 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, 205295 + ... + 249291.

It is an arithmetic number, because the mean of its divisors is an integer number (1363762008).

Almost surely, 2^10000210121 is an apocalyptic number.

10000210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000210121 is a deficient number, since it is larger than the sum of its proper divisors (909885943).

10000210121 is a wasteful number, since it uses less digits than its factorization.

10000210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64671.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10000210121 its reverse (12101200001), we get a palindrome (22101410122).

The spelling of 10000210121 in words is "ten billion, two hundred ten thousand, one hundred twenty-one".