4221655443112 has 8 divisors (see below), whose sum is σ = 7915603955850. Its totient is φ = 2110827721552.

The previous prime is 4221655443011. The next prime is 4221655443143. The reversal of 4221655443112 is 2113445561224.

It can be written as a sum of positive squares in only one way, i.e., 2172045173796 + 2049610269316 = 1473786^2 + 1431646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263853465187 + ... + 263853465202.

Almost surely, 2^{4221655443112} is an apocalyptic number.

It is an amenable number.

4221655443112 is a deficient number, since it is larger than the sum of its proper divisors (3693948512738).

4221655443112 is a wasteful number, since it uses less digits than its factorization.

4221655443112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527706930395 (or 527706930391 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 4221655443112 in words is "four trillion, two hundred twenty-one billion, six hundred fifty-five million, four hundred forty-three thousand, one hundred twelve".