2010010121021 has 4 divisors (see below), whose sum is σ = 2297154424032. Its totient is φ = 1722865818012.

The previous prime is 2010010120999. The next prime is 2010010121023. The reversal of 2010010121021 is 1201210100102.

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 2010010121021 - 2³⁴ = 1992830251837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010010120993 and 2010010121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010010121023) 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, 143572151495 + ... + 143572151508.

It is an arithmetic number, because the mean of its divisors is an integer number (574288606008).

Almost surely, 2^{2010010121021} is an apocalyptic number.

It is an amenable number.

2010010121021 is a deficient number, since it is larger than the sum of its proper divisors (287144303011).

2010010121021 is an equidigital number, since it uses as much as digits as its factorization.

2010010121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287144303010.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2010010121021 its reverse (1201210100102), we get a palindrome (3211220221123).

The spelling of 2010010121021 in words is "two trillion, ten billion, ten million, one hundred twenty-one thousand, twenty-one".