2021122196 has 12 divisors (see below), whose sum is σ = 3564814848. Its totient is φ = 1002603672.

The previous prime is 2021122189. The next prime is 2021122199. The reversal of 2021122196 is 6912211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988786 + ... + 1989801.

It is an arithmetic number, because the mean of its divisors is an integer number (297067904).

Almost surely, 2^2021122196 is an apocalyptic number.

It is an amenable number.

2021122196 is a deficient number, since it is larger than the sum of its proper divisors (1543692652).

2021122196 is a wasteful number, since it uses less digits than its factorization.

2021122196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978718 (or 3978716 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2021122196 is about 44956.8926417296. The cubic root of 2021122196 is about 1264.3409099219.

Adding to 2021122196 its reverse (6912211202), we get a palindrome (8933333398).

The spelling of 2021122196 in words is "two billion, twenty-one million, one hundred twenty-two thousand, one hundred ninety-six".