2145222240113 has 16 divisors (see below), whose sum is σ = 2219380899840. Its totient is φ = 2071375059600.

The previous prime is 2145222240107. The next prime is 2145222240137. The reversal of 2145222240113 is 3110422225412.

It is a cyclic number.

It is not a de Polignac number, because 2145222240113 - 2¹⁰ = 2145222239089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145222240103) 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, 114591968 + ... + 114610686.

It is an arithmetic number, because the mean of its divisors is an integer number (138711306240).

Almost surely, 2^{2145222240113} is an apocalyptic number.

It is an amenable number.

2145222240113 is a deficient number, since it is larger than the sum of its proper divisors (74158659727).

2145222240113 is a wasteful number, since it uses less digits than its factorization.

2145222240113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26828.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2145222240113 its reverse (3110422225412), we get a palindrome (5255644465525).

The spelling of 2145222240113 in words is "two trillion, one hundred forty-five billion, two hundred twenty-two million, two hundred forty thousand, one hundred thirteen".