2121201130 has 16 divisors (see below), whose sum is σ = 3818824704. Its totient is φ = 848333200.

The previous prime is 2121201119. The next prime is 2121201161. The reversal of 2121201130 is 311021212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121201130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56679 + ... + 86341.

It is an arithmetic number, because the mean of its divisors is an integer number (238676544).

Almost surely, 2^2121201130 is an apocalyptic number.

2121201130 is a deficient number, since it is larger than the sum of its proper divisors (1697623574).

2121201130 is a wasteful number, since it uses less digits than its factorization.

2121201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2121201130 is about 46056.4993241996. The cubic root of 2121201130 is about 1284.8742234840.

Adding to 2121201130 its reverse (311021212), we get a palindrome (2432222342).

The spelling of 2121201130 in words is "two billion, one hundred twenty-one million, two hundred one thousand, one hundred thirty".