2121022410 has 64 divisors (see below), whose sum is σ = 5630228352. Its totient is φ = 507983616.

The previous prime is 2121022369. The next prime is 2121022471. The reversal of 2121022410 is 142201212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2121022410.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59064 + ... + 87923.

It is an arithmetic number, because the mean of its divisors is an integer number (87972318).

Almost surely, 2^2121022410 is an apocalyptic number.

2121022410 is an abundant number, since it is smaller than the sum of its proper divisors (3509205942).

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

2121022410 is a wasteful number, since it uses less digits than its factorization.

2121022410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147047.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2121022410 is about 46054.5590577089. The cubic root of 2121022410 is about 1284.8381371416.

Adding to 2121022410 its reverse (142201212), we get a palindrome (2263223622).

The spelling of 2121022410 in words is "two billion, one hundred twenty-one million, twenty-two thousand, four hundred ten".