22054203541521 has 12 divisors (see below), whose sum is σ = 31856181374160. Its totient is φ = 14702751780120.

The previous prime is 22054203541501. The next prime is 22054203541529. The reversal of 22054203541521 is 12514530245022.

22054203541521 is a `hidden beast` number, since 2 + 20 + 5 + 42 + 0 + 3 + 541 + 52 + 1 = 666.

It is not a de Polignac number, because 22054203541521 - 2⁶ = 22054203541457 is a prime.

It is a super-3 number, since 3×22054203541521³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22054203541529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351215 + ... + 6777476.

It is an arithmetic number, because the mean of its divisors is an integer number (2654681781180).

Almost surely, 2^{22054203541521} is an apocalyptic number.

It is an amenable number.

22054203541521 is a deficient number, since it is larger than the sum of its proper divisors (9801977832639).

22054203541521 is a wasteful number, since it uses less digits than its factorization.

22054203541521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430156 (or 8430153 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 22054203541521 its reverse (12514530245022), we get a palindrome (34568733786543).

The spelling of 22054203541521 in words is "twenty-two trillion, fifty-four billion, two hundred three million, five hundred forty-one thousand, five hundred twenty-one".