2010142121 has 8 divisors (see below), whose sum is σ = 2178558984. Its totient is φ = 1843695360.

The previous prime is 2010142117. The next prime is 2010142153. The reversal of 2010142121 is 1212410102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26419600 + 1983722521 = 5140^2 + 44539^2 .

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

It is not a de Polignac number, because 2010142121 - 2² = 2010142117 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 = 2010142096 and 2010142105.

It is not an unprimeable number, because it can be changed into a prime (2010148121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490400 + ... + 494481.

It is an arithmetic number, because the mean of its divisors is an integer number (272319873).

Almost surely, 2^2010142121 is an apocalyptic number.

It is an amenable number.

2010142121 is a deficient number, since it is larger than the sum of its proper divisors (168416863).

2010142121 is a wasteful number, since it uses less digits than its factorization.

2010142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985051.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2010142121 is about 44834.6085184202. The cubic root of 2010142121 is about 1262.0471719931.

Adding to 2010142121 its reverse (1212410102), we get a palindrome (3222552223).

The spelling of 2010142121 in words is "two billion, ten million, one hundred forty-two thousand, one hundred twenty-one".