2021126370 has 16 divisors (see below), whose sum is σ = 4850703360. Its totient is φ = 538967024.

The previous prime is 2021126353. The next prime is 2021126407. The reversal of 2021126370 is 736211202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021126370.

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, 33685410 + ... + 33685469.

It is an arithmetic number, because the mean of its divisors is an integer number (303168960).

Almost surely, 2^2021126370 is an apocalyptic number.

2021126370 is an abundant number, since it is smaller than the sum of its proper divisors (2829576990).

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

2021126370 is a wasteful number, since it uses less digits than its factorization.

2021126370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67370889.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2021126370 is about 44956.9390639532. The cubic root of 2021126370 is about 1264.3417802891.

Adding to 2021126370 its reverse (736211202), we get a palindrome (2757337572).

The spelling of 2021126370 in words is "two billion, twenty-one million, one hundred twenty-six thousand, three hundred seventy".