2010012221 has 8 divisors (see below), whose sum is σ = 2432283840. Its totient is φ = 1621522368.

The previous prime is 2010012209. The next prime is 2010012241. The reversal of 2010012221 is 1222100102.

It is a happy number.

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 2010012221 - 2⁶ = 2010012157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010012241) 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, 8445311 + ... + 8445548.

It is an arithmetic number, because the mean of its divisors is an integer number (304035480).

Almost surely, 2^2010012221 is an apocalyptic number.

It is an amenable number.

2010012221 is a deficient number, since it is larger than the sum of its proper divisors (422271619).

2010012221 is a wasteful number, since it uses less digits than its factorization.

2010012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890883.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2010012221 is about 44833.1598373347. The cubic root of 2010012221 is about 1262.0199859453.

Adding to 2010012221 its reverse (1222100102), we get a palindrome (3232112323).

The spelling of 2010012221 in words is "two billion, ten million, twelve thousand, two hundred twenty-one".