2211251132345 has 8 divisors (see below), whose sum is σ = 2653515153864. Its totient is φ = 1768991709184.

The previous prime is 2211251132339. The next prime is 2211251132347. The reversal of 2211251132345 is 5432311521122.

2211251132345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 549531620416 + 1661719511929 = 741304^2 + 1289077^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2211251132345 - 2¹⁴ = 2211251115961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211251132347) 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, 15737 + ... + 2103033.

It is an arithmetic number, because the mean of its divisors is an integer number (331689394233).

Almost surely, 2^{2211251132345} is an apocalyptic number.

It is an amenable number.

2211251132345 is a deficient number, since it is larger than the sum of its proper divisors (442264021519).

2211251132345 is a wasteful number, since it uses less digits than its factorization.

2211251132345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299179.

The product of its digits is 14400, while the sum is 32.

Adding to 2211251132345 its reverse (5432311521122), we get a palindrome (7643562653467).

The spelling of 2211251132345 in words is "two trillion, two hundred eleven billion, two hundred fifty-one million, one hundred thirty-two thousand, three hundred forty-five".