2201101001012 has 6 divisors (see below), whose sum is σ = 3851926751778. Its totient is φ = 1100550500504.

The previous prime is 2201101000963. The next prime is 2201101001017. The reversal of 2201101001012 is 2101001011022.

It can be written as a sum of positive squares in only one way, i.e., 2007849324196 + 193251676816 = 1416986^2 + 439604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2201101000984 and 2201101001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201101001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275137625123 + ... + 275137625130.

It is an arithmetic number, because the mean of its divisors is an integer number (641987791963).

Almost surely, 2^{2201101001012} is an apocalyptic number.

It is an amenable number.

2201101001012 is a deficient number, since it is larger than the sum of its proper divisors (1650825750766).

2201101001012 is a wasteful number, since it uses less digits than its factorization.

2201101001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550275250257 (or 550275250255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2201101001012 its reverse (2101001011022), we get a palindrome (4302102012034).

The spelling of 2201101001012 in words is "two trillion, two hundred one billion, one hundred one million, one thousand, twelve".