201202122122 has 8 divisors (see below), whose sum is σ = 304107024672. Its totient is φ = 99833113900.

The previous prime is 201202122109. The next prime is 201202122127. The reversal of 201202122122 is 221221202102.

It is a happy number.

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 201202122122.

It is not an unprimeable number, because it can be changed into a prime (201202122127) 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, 383973254 + ... + 383973777.

It is an arithmetic number, because the mean of its divisors is an integer number (38013378084).

Almost surely, 2^201202122122 is an apocalyptic number.

201202122122 is a deficient number, since it is larger than the sum of its proper divisors (102904902550).

201202122122 is a wasteful number, since it uses less digits than its factorization.

201202122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767947164.

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

Adding to 201202122122 its reverse (221221202102), we get a palindrome (422423324224).

The spelling of 201202122122 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".