2021222210122 has 8 divisors (see below), whose sum is σ = 3044845476036. Its totient is φ = 1006273718112.

The previous prime is 2021222210089. The next prime is 2021222210131. The reversal of 2021222210122 is 2210122221202.

It can be written as a sum of positive squares in 2 ways, for example, as 1808672627161 + 212549582961 = 1344869^2 + 461031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2021222210122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168692893 + ... + 2168693824.

Almost surely, 2^{2021222210122} is an apocalyptic number.

2021222210122 is a deficient number, since it is larger than the sum of its proper divisors (1023623265914).

2021222210122 is a wasteful number, since it uses less digits than its factorization.

2021222210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337386952.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2021222210122 its reverse (2210122221202), we get a palindrome (4231344431324).

The spelling of 2021222210122 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".