3121221023010 has 128 divisors (see below), whose sum is σ = 8804112514560. Its totient is φ = 785231428608.

The previous prime is 3121221022993. The next prime is 3121221023023. The reversal of 3121221023010 is 103201221213.

3121221023010 is a `hidden beast` number, since 3 + 1 + 212 + 210 + 230 + 10 = 666.

3121221023010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2989219 + ... + 3895878.

It is an arithmetic number, because the mean of its divisors is an integer number (68782129020).

Almost surely, 2^{3121221023010} is an apocalyptic number.

3121221023010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121221023010 is an abundant number, since it is smaller than the sum of its proper divisors (5682891491550).

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

3121221023010 is a wasteful number, since it uses less digits than its factorization.

3121221023010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885209 (or 6885203 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3121221023010 its reverse (103201221213), we get a palindrome (3224422244223).

The spelling of 3121221023010 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-one million, twenty-three thousand, ten".