21224546350154 has 128 divisors (see below), whose sum is σ = 39485897280000. Its totient is φ = 8536516563456.

The previous prime is 21224546350099. The next prime is 21224546350213. The reversal of 21224546350154 is 45105364542212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 750049334 + ... + 750077630.

It is an arithmetic number, because the mean of its divisors is an integer number (308483572500).

Almost surely, 2^{21224546350154} is an apocalyptic number.

21224546350154 is a deficient number, since it is larger than the sum of its proper divisors (18261350929846).

21224546350154 is a wasteful number, since it uses less digits than its factorization.

21224546350154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29405 (or 29391 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 21224546350154 in words is "twenty-one trillion, two hundred twenty-four billion, five hundred forty-six million, three hundred fifty thousand, one hundred fifty-four".