201130122330 has 160 divisors (see below), whose sum is σ = 544948145280. Its totient is φ = 53226080640.

The previous prime is 201130122329. The next prime is 201130122337. The reversal of 201130122330 is 33221031102.

201130122330 is a `hidden beast` number, since 2 + 0 + 11 + 301 + 22 + 330 = 666.

It is a super-2 number, since 2×201130122330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201130122337) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 159753241 + ... + 159754499.

It is an arithmetic number, because the mean of its divisors is an integer number (3405925908).

Almost surely, 2^201130122330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201130122330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272474072640).

201130122330 is an abundant number, since it is smaller than the sum of its proper divisors (343818022950).

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

201130122330 is a wasteful number, since it uses less digits than its factorization.

201130122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201130122330 its reverse (33221031102), we get a palindrome (234351153432).

The spelling of 201130122330 in words is "two hundred one billion, one hundred thirty million, one hundred twenty-two thousand, three hundred thirty".