221916026112 has 144 divisors (see below), whose sum is σ = 678224709120. Its totient is φ = 63707904000.

The previous prime is 221916026089. The next prime is 221916026179. The reversal of 221916026112 is 211620619122.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530764 + ... + 851787.

Almost surely, 2^221916026112 is an apocalyptic number.

221916026112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221916026112 is an abundant number, since it is smaller than the sum of its proper divisors (456308683008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221916026112 is a wasteful number, since it uses less digits than its factorization.

221916026112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382600 (or 1382586 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 221916026112 in words is "two hundred twenty-one billion, nine hundred sixteen million, twenty-six thousand, one hundred twelve".