2121131010 has 32 divisors (see below), whose sum is σ = 5143203072. Its totient is φ = 559802880.

The previous prime is 2121131003. The next prime is 2121131053. The reversal of 2121131010 is 101311212.

2121131010 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361546 + ... + 367365.

It is an arithmetic number, because the mean of its divisors is an integer number (160725096).

Almost surely, 2^2121131010 is an apocalyptic number.

2121131010 is an abundant number, since it is smaller than the sum of its proper divisors (3022072062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121131010 is a wasteful number, since it uses less digits than its factorization.

2121131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729018.

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

The square root of 2121131010 is about 46055.7380789843. The cubic root of 2121131010 is about 1284.8600654091.

Adding to 2121131010 its reverse (101311212), we get a palindrome (2222442222).

The spelling of 2121131010 in words is "two billion, one hundred twenty-one million, one hundred thirty-one thousand, ten".