1010200002121 has 8 divisors (see below), whose sum is σ = 1023023018880. Its totient is φ = 997377877392.

The previous prime is 1010200002107. The next prime is 1010200002143. The reversal of 1010200002121 is 1212000020101.

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 1010200002121 - 2⁹ = 1010200001609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010200002098 and 1010200002107.

It is not an unprimeable number, because it can be changed into a prime (1010200002101) 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, 2225871 + ... + 2641003.

It is an arithmetic number, because the mean of its divisors is an integer number (127877877360).

Almost surely, 2^{1010200002121} is an apocalyptic number.

It is an amenable number.

1010200002121 is a deficient number, since it is larger than the sum of its proper divisors (12823016759).

1010200002121 is an equidigital number, since it uses as much as digits as its factorization.

1010200002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446015.

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

Adding to 1010200002121 its reverse (1212000020101), we get a palindrome (2222200022222).

The spelling of 1010200002121 in words is "one trillion, ten billion, two hundred million, two thousand, one hundred twenty-one".