201101100121122 has 16 divisors (see below), whose sum is σ = 403131073689120. Its totient is φ = 66878887799232.

The previous prime is 201101100121021. The next prime is 201101100121177. The reversal of 201101100121122 is 221121001101102.

It is a happy number.

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, 38703057472 + ... + 38703062667.

It is an arithmetic number, because the mean of its divisors is an integer number (25195692105570).

Almost surely, 2^{201101100121122} is an apocalyptic number.

201101100121122 is an abundant number, since it is smaller than the sum of its proper divisors (202029973567998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201101100121122 is a wasteful number, since it uses less digits than its factorization.

201101100121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77406120577.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201101100121122 its reverse (221121001101102), we get a palindrome (422222101222224).

The spelling of 201101100121122 in words is "two hundred one trillion, one hundred one billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".