2254332112221 has 32 divisors (see below), whose sum is σ = 3442019684608. Its totient is φ = 1285622876160.

The previous prime is 2254332112199. The next prime is 2254332112259. The reversal of 2254332112221 is 1222112334522.

It is a happy number.

It is not a de Polignac number, because 2254332112221 - 2⁵ = 2254332112189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254332112121) 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 31 ways as a sum of consecutive naturals, for example, 132653901 + ... + 132670893.

It is an arithmetic number, because the mean of its divisors is an integer number (107563115144).

Almost surely, 2^{2254332112221} is an apocalyptic number.

2254332112221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2254332112221 is a deficient number, since it is larger than the sum of its proper divisors (1187687572387).

2254332112221 is a wasteful number, since it uses less digits than its factorization.

2254332112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29221.

The product of its digits is 11520, while the sum is 30.

Adding to 2254332112221 its reverse (1222112334522), we get a palindrome (3476444446743).

The spelling of 2254332112221 in words is "two trillion, two hundred fifty-four billion, three hundred thirty-two million, one hundred twelve thousand, two hundred twenty-one".