202121021222122 has 16 divisors (see below), whose sum is σ = 306210089940192. Its totient is φ = 100051166149200.

The previous prime is 202121021222083. The next prime is 202121021222167. The reversal of 202121021222122 is 221222120121202.

It is a junction number, because it is equal to n+sod(n) for n = 202121021222093 and 202121021222102.

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, 41409528 + ... + 46032499.

It is an arithmetic number, because the mean of its divisors is an integer number (19138130621262).

Almost surely, 2^{202121021222122} is an apocalyptic number.

202121021222122 is a deficient number, since it is larger than the sum of its proper divisors (104089068718070).

202121021222122 is a wasteful number, since it uses less digits than its factorization.

202121021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87453573.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202121021222122 its reverse (221222120121202), we get a palindrome (423343141343324).

The spelling of 202121021222122 in words is "two hundred two trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".