201122022122120 has 64 divisors (see below), whose sum is σ = 515126760243840. Its totient is φ = 69955485952000.

The previous prime is 201122022122081. The next prime is 201122022122141. The reversal of 201122022122120 is 21221220221102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201122022122092 and 201122022122101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9936848681 + ... + 9936868920.

It is an arithmetic number, because the mean of its divisors is an integer number (8048855628810).

Almost surely, 2^{201122022122120} is an apocalyptic number.

201122022122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122022122120 is an abundant number, since it is smaller than the sum of its proper divisors (314004738121720).

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

201122022122120 is a wasteful number, since it uses less digits than its factorization.

201122022122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873717646 (or 19873717642 counting only the distinct ones).

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

Adding to 201122022122120 its reverse (21221220221102), we get a palindrome (222343242343222).

The spelling of 201122022122120 in words is "two hundred one trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty".