2212441145551 has 16 divisors (see below), whose sum is σ = 2723049229824. Its totient is φ = 1750474121184.

The previous prime is 2212441145543. The next prime is 2212441145581. The reversal of 2212441145551 is 1555411442122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2212441145551 - 2³ = 2212441145543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212441145551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212441145581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6653880 + ... + 6978466.

It is an arithmetic number, because the mean of its divisors is an integer number (170190576864).

Almost surely, 2^{2212441145551} is an apocalyptic number.

2212441145551 is a deficient number, since it is larger than the sum of its proper divisors (510608084273).

2212441145551 is a wasteful number, since it uses less digits than its factorization.

2212441145551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399510.

The product of its digits is 64000, while the sum is 37.

Adding to 2212441145551 its reverse (1555411442122), we get a palindrome (3767852587673).

The spelling of 2212441145551 in words is "two trillion, two hundred twelve billion, four hundred forty-one million, one hundred forty-five thousand, five hundred fifty-one".