2201311012 has 6 divisors (see below), whose sum is σ = 3852294278. Its totient is φ = 1100655504.

The previous prime is 2201310901. The next prime is 2201311037. The reversal of 2201311012 is 2101131022.

It can be written as a sum of positive squares in only one way, i.e., 1838179876 + 363131136 = 42874^2 + 19056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2201310983 and 2201311001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275163873 + ... + 275163880.

Almost surely, 2^2201311012 is an apocalyptic number.

It is an amenable number.

2201311012 is a deficient number, since it is larger than the sum of its proper divisors (1650983266).

2201311012 is a wasteful number, since it uses less digits than its factorization.

2201311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550327757 (or 550327755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2201311012 is about 46918.1309516907. The cubic root of 2201311012 is about 1300.8497426711.

Adding to 2201311012 its reverse (2101131022), we get a palindrome (4302442034).

The spelling of 2201311012 in words is "two billion, two hundred one million, three hundred eleven thousand, twelve".