4221503664122 has 4 divisors (see below), whose sum is σ = 6332255496186. Its totient is φ = 2110751832060.

The previous prime is 4221503664083. The next prime is 4221503664127. The reversal of 4221503664122 is 2214663051224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4107144038881 + 114359625241 = 2026609^2 + 338171^2 .

It is not an unprimeable number, because it can be changed into a prime (4221503664127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055375916029 + ... + 1055375916032.

Almost surely, 2^{4221503664122} is an apocalyptic number.

4221503664122 is a deficient number, since it is larger than the sum of its proper divisors (2110751832064).

4221503664122 is a wasteful number, since it uses less digits than its factorization.

4221503664122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110751832063.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 4221503664122 in words is "four trillion, two hundred twenty-one billion, five hundred three million, six hundred sixty-four thousand, one hundred twenty-two".