2121201010 has 64 divisors (see below), whose sum is σ = 4160346624. Its totient is φ = 775526400.

The previous prime is 2121200987. The next prime is 2121201029. The reversal of 2121201010 is 101021212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1888309 + ... + 1889431.

It is an arithmetic number, because the mean of its divisors is an integer number (65005416).

Almost surely, 2^2121201010 is an apocalyptic number.

2121201010 is a deficient number, since it is larger than the sum of its proper divisors (2039145614).

2121201010 is a wasteful number, since it uses less digits than its factorization.

2121201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2121201010 is about 46056.4980214519. The cubic root of 2121201010 is about 1284.8741992548.

Adding to 2121201010 its reverse (101021212), we get a palindrome (2222222222).

The spelling of 2121201010 in words is "two billion, one hundred twenty-one million, two hundred one thousand, ten".