201101121320 has 64 divisors (see below), whose sum is σ = 493747151040. Its totient is φ = 73107635200.

The previous prime is 201101121293. The next prime is 201101121337. The reversal of 201101121320 is 23121101102.

It is a super-2 number, since 2×201101121320² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201101121295 and 201101121304.

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, 1594079 + ... + 1715601.

It is an arithmetic number, because the mean of its divisors is an integer number (7714799235).

Almost surely, 2^201101121320 is an apocalyptic number.

201101121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101121320 is an abundant number, since it is smaller than the sum of its proper divisors (292646029720).

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

201101121320 is a wasteful number, since it uses less digits than its factorization.

201101121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125306 (or 125302 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201101121320 its reverse (23121101102), we get a palindrome (224222222422).

The spelling of 201101121320 in words is "two hundred one billion, one hundred one million, one hundred twenty-one thousand, three hundred twenty".