201121220022110 has 16 divisors (see below), whose sum is σ = 362018359462176. Its totient is φ = 80448451692768.

The previous prime is 201121220022061. The next prime is 201121220022127. The reversal of 201121220022110 is 11220022121102.

It is a congruent 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, 35737724 + ... + 40980816.

It is an arithmetic number, because the mean of its divisors is an integer number (22626147466386).

Almost surely, 2^{201121220022110} is an apocalyptic number.

201121220022110 is a deficient number, since it is larger than the sum of its proper divisors (160897139440066).

201121220022110 is a wasteful number, since it uses less digits than its factorization.

201121220022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079027.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121220022110 its reverse (11220022121102), we get a palindrome (212341242143212).

The spelling of 201121220022110 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, one hundred ten".