201103122 has 64 divisors (see below), whose sum is σ = 461666304. Its totient is φ = 57805440.

The previous prime is 201103121. The next prime is 201103151. The reversal of 201103122 is 221301102.

It is a junction number, because it is equal to n+sod(n) for n = 201103098 and 201103107.

It is not an unprimeable number, because it can be changed into a prime (201103121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207483 + ... + 208449.

It is an arithmetic number, because the mean of its divisors is an integer number (7213536).

Almost surely, 2^201103122 is an apocalyptic number.

201103122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201103122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230833152).

201103122 is an abundant number, since it is smaller than the sum of its proper divisors (260563182).

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

201103122 is a wasteful number, since it uses less digits than its factorization.

201103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201103122 is about 14181.0832449429. The cubic root of 201103122 is about 585.8767596798.

Adding to 201103122 its reverse (221301102), we get a palindrome (422404224).

It can be divided in two parts, 20110 and 3122, that added together give a palindrome (23232).

The spelling of 201103122 in words is "two hundred one million, one hundred three thousand, one hundred twenty-two".