201011122202122 has 4 divisors (see below), whose sum is σ = 301516683303186. Its totient is φ = 100505561101060.

The previous prime is 201011122202057. The next prime is 201011122202131. The reversal of 201011122202122 is 221202221110102.

201011122202122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 186495868009801 + 14515254192321 = 13656349^2 + 3809889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201011122202122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252780550529 + ... + 50252780550532.

Almost surely, 2^{201011122202122} is an apocalyptic number.

201011122202122 is a deficient number, since it is larger than the sum of its proper divisors (100505561101064).

201011122202122 is a wasteful number, since it uses less digits than its factorization.

201011122202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100505561101063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201011122202122 its reverse (221202221110102), we get a palindrome (422213343312224).

The spelling of 201011122202122 in words is "two hundred one trillion, eleven billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".