2010000210121 has 4 divisors (see below), whose sum is σ = 2010173244052. Its totient is φ = 2009827176192.

The previous prime is 2010000210067. The next prime is 2010000210139. The reversal of 2010000210121 is 1210120000102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 838332516025 + 1171667694096 = 915605^2 + 1082436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010000210121 - 2⁷ = 2010000209993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010000210098 and 2010000210107.

It is not an unprimeable number, because it can be changed into a prime (2010000210221) 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, 86499540 + ... + 86522773.

It is an arithmetic number, because the mean of its divisors is an integer number (502543311013).

Almost surely, 2^{2010000210121} is an apocalyptic number.

It is an amenable number.

2010000210121 is a deficient number, since it is larger than the sum of its proper divisors (173033931).

2010000210121 is a wasteful number, since it uses less digits than its factorization.

2010000210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173033930.

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

Adding to 2010000210121 its reverse (1210120000102), we get a palindrome (3220120210223).

The spelling of 2010000210121 in words is "two trillion, ten billion, two hundred ten thousand, one hundred twenty-one".