2021122022210 has 32 divisors (see below), whose sum is σ = 3649183643520. Its totient is φ = 805971583872.

The previous prime is 2021122022201. The next prime is 2021122022237. The reversal of 2021122022210 is 122202211202.

It is a happy number.

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, 4196867 + ... + 4653593.

It is an arithmetic number, because the mean of its divisors is an integer number (114036988860).

Almost surely, 2^{2021122022210} is an apocalyptic number.

2021122022210 is a deficient number, since it is larger than the sum of its proper divisors (1628061621310).

2021122022210 is a wasteful number, since it uses less digits than its factorization.

2021122022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458090.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021122022210 its reverse (122202211202), we get a palindrome (2143324233412).

The spelling of 2021122022210 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred ten".