2010121011221 has 8 divisors (see below), whose sum is σ = 2024616027840. Its totient is φ = 1995626476512.

The previous prime is 2010121011209. The next prime is 2010121011229. The reversal of 2010121011221 is 1221101210102.

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 2010121011221 - 2³⁴ = 1992941142037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121011196 and 2010121011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010121011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15830441 + ... + 15956913.

It is an arithmetic number, because the mean of its divisors is an integer number (253077003480).

Almost surely, 2^{2010121011221} is an apocalyptic number.

It is an amenable number.

2010121011221 is a deficient number, since it is larger than the sum of its proper divisors (14495016619).

2010121011221 is a wasteful number, since it uses less digits than its factorization.

2010121011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240955.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2010121011221 its reverse (1221101210102), we get a palindrome (3231222221323).

The spelling of 2010121011221 in words is "two trillion, ten billion, one hundred twenty-one million, eleven thousand, two hundred twenty-one".