201211101120 has 112 divisors (see below), whose sum is σ = 645170757408. Its totient is φ = 53125017600.

The previous prime is 201211101109. The next prime is 201211101127. The reversal of 201211101120 is 21101112102.

It is a super-3 number, since 3×201211101120³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201211101096 and 201211101105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211101127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940639 + ... + 1134558.

Almost surely, 2^201211101120 is an apocalyptic number.

201211101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201211101120 is an abundant number, since it is smaller than the sum of its proper divisors (443959656288).

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

201211101120 is a wasteful number, since it uses less digits than its factorization.

201211101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075318 (or 2075308 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201211101120 its reverse (21101112102), we get a palindrome (222312213222).

The spelling of 201211101120 in words is "two hundred one billion, two hundred eleven million, one hundred one thousand, one hundred twenty".