2221127008551 has 48 divisors (see below), whose sum is σ = 3549802602528. Its totient is φ = 1327074508800.

The previous prime is 2221127008531. The next prime is 2221127008577. The reversal of 2221127008551 is 1558007211222.

2221127008551 is a `hidden beast` number, since 2 + 2 + 21 + 12 + 70 + 0 + 8 + 551 = 666.

It is not a de Polignac number, because 2221127008551 - 2¹¹ = 2221127006503 is a prime.

It is a super-2 number, since 2×2221127008551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221127008531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2017981 + ... + 2917961.

It is an arithmetic number, because the mean of its divisors is an integer number (73954220886).

Almost surely, 2^{2221127008551} is an apocalyptic number.

2221127008551 is a deficient number, since it is larger than the sum of its proper divisors (1328675593977).

2221127008551 is a wasteful number, since it uses less digits than its factorization.

2221127008551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900352 (or 900349 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 2221127008551 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-seven million, eight thousand, five hundred fifty-one".