2213245140121 has 8 divisors (see below), whose sum is σ = 2258621051400. Its totient is φ = 2168276188032.

The previous prime is 2213245140107. The next prime is 2213245140187. The reversal of 2213245140121 is 1210415423122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 594780288400 + 1618464851721 = 771220^2 + 1272189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213245140121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213245140121.

It is not an unprimeable number, because it can be changed into a prime (2213245140191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101728810 + ... + 101750563.

It is an arithmetic number, because the mean of its divisors is an integer number (282327631425).

Almost surely, 2^{2213245140121} is an apocalyptic number.

It is an amenable number.

2213245140121 is a deficient number, since it is larger than the sum of its proper divisors (45375911279).

2213245140121 is a wasteful number, since it uses less digits than its factorization.

2213245140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203479595.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 2213245140121 in words is "two trillion, two hundred thirteen billion, two hundred forty-five million, one hundred forty thousand, one hundred twenty-one".