201021222102122 has 16 divisors (see below), whose sum is σ = 302401480108032. Its totient is φ = 100220871715440.

The previous prime is 201021222102119. The next prime is 201021222102137. The reversal of 201021222102122 is 221201222120102.

201021222102122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201021222102094 and 201021222102103.

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, 32931653 + ... + 38555624.

It is an arithmetic number, because the mean of its divisors is an integer number (18900092506752).

Almost surely, 2^{201021222102122} is an apocalyptic number.

201021222102122 is a deficient number, since it is larger than the sum of its proper divisors (101380258005910).

201021222102122 is a wasteful number, since it uses less digits than its factorization.

201021222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71491333.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201021222102122 its reverse (221201222120102), we get a palindrome (422222444222224).

The spelling of 201021222102122 in words is "two hundred one trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".