10210010202121 has 4 divisors (see below), whose sum is σ = 10248831533952. Its totient is φ = 10171188870292.

The previous prime is 10210010202107. The next prime is 10210010202137. The reversal of 10210010202121 is 12120201001201.

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 10210010202121 - 2³⁵ = 10175650463753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210010262121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19410665521 + ... + 19410666046.

It is an arithmetic number, because the mean of its divisors is an integer number (2562207883488).

Almost surely, 2^{10210010202121} is an apocalyptic number.

It is an amenable number.

10210010202121 is a deficient number, since it is larger than the sum of its proper divisors (38821331831).

10210010202121 is an equidigital number, since it uses as much as digits as its factorization.

10210010202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821331830.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210010202121 its reverse (12120201001201), we get a palindrome (22330211203322).

The spelling of 10210010202121 in words is "ten trillion, two hundred ten billion, ten million, two hundred two thousand, one hundred twenty-one".