2201012212001 has 4 divisors (see below), whose sum is σ = 2220490196292. Its totient is φ = 2181534227712.

The previous prime is 2201012211997. The next prime is 2201012212031. The reversal of 2201012212001 is 1002122101022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 586082113600 + 1614930098401 = 765560^2 + 1270799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201012212001 - 2² = 2201012211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201012212031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9738991976 + ... + 9738992201.

It is an arithmetic number, because the mean of its divisors is an integer number (555122549073).

Almost surely, 2^{2201012212001} is an apocalyptic number.

It is an amenable number.

2201012212001 is a deficient number, since it is larger than the sum of its proper divisors (19477984291).

2201012212001 is a wasteful number, since it uses less digits than its factorization.

2201012212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19477984290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201012212001 its reverse (1002122101022), we get a palindrome (3203134313023).

The spelling of 2201012212001 in words is "two trillion, two hundred one billion, twelve million, two hundred twelve thousand, one".