2201001115245 has 16 divisors (see below), whose sum is σ = 3521846567040. Its totient is φ = 1173785667264.

The previous prime is 2201001115241. The next prime is 2201001115253. The reversal of 2201001115245 is 5425111001022.

It is a happy number.

It is not a de Polignac number, because 2201001115245 - 2² = 2201001115241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201001115241) 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, 4876330 + ... + 5308539.

It is an arithmetic number, because the mean of its divisors is an integer number (220115410440).

Almost surely, 2^{2201001115245} is an apocalyptic number.

It is an amenable number.

2201001115245 is a deficient number, since it is larger than the sum of its proper divisors (1320845451795).

2201001115245 is a wasteful number, since it uses less digits than its factorization.

2201001115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199284.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 2201001115245 its reverse (5425111001022), we get a palindrome (7626112116267).

The spelling of 2201001115245 in words is "two trillion, two hundred one billion, one million, one hundred fifteen thousand, two hundred forty-five".