2211445012351 has 4 divisors (see below), whose sum is σ = 2211465310912. Its totient is φ = 2211424713792.

The previous prime is 2211445012349. The next prime is 2211445012363. The reversal of 2211445012351 is 1532105441122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211445012351 - 2¹ = 2211445012349 is a prime.

It is a super-2 number, since 2×2211445012351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211445012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9984975 + ... + 10204048.

It is an arithmetic number, because the mean of its divisors is an integer number (552866327728).

Almost surely, 2^{2211445012351} is an apocalyptic number.

2211445012351 is a deficient number, since it is larger than the sum of its proper divisors (20298561).

2211445012351 is a wasteful number, since it uses less digits than its factorization.

2211445012351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20298560.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 2211445012351 in words is "two trillion, two hundred eleven billion, four hundred forty-five million, twelve thousand, three hundred fifty-one".