2010221121 has 8 divisors (see below), whose sum is σ = 2681879200. Its totient is φ = 1339355232.

The previous prime is 2010221111. The next prime is 2010221131. The reversal of 2010221121 is 1211220102.

It is an interprime number because it is at equal distance from previous prime (2010221111) and next prime (2010221131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010221121 - 2⁵ = 2010221089 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 = 2010221097 and 2010221106.

It is not an unprimeable number, because it can be changed into a prime (2010221111) 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, 192100 + ... + 202293.

It is an arithmetic number, because the mean of its divisors is an integer number (335234900).

Almost surely, 2^2010221121 is an apocalyptic number.

It is an amenable number.

2010221121 is a deficient number, since it is larger than the sum of its proper divisors (671658079).

2010221121 is a wasteful number, since it uses less digits than its factorization.

2010221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396095.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2010221121 is about 44835.4895255979. The cubic root of 2010221121 is about 1262.0637048905.

Adding to 2010221121 its reverse (1211220102), we get a palindrome (3221441223).

The spelling of 2010221121 in words is "two billion, ten million, two hundred twenty-one thousand, one hundred twenty-one".