221480251104 has 96 divisors (see below), whose sum is σ = 680646710016. Its totient is φ = 61736647680.

The previous prime is 221480251067. The next prime is 221480251141. The reversal of 221480251104 is 401152084122.

It is an interprime number because it is at equal distance from previous prime (221480251067) and next prime (221480251141).

It is a tau number, because it is divible by the number of its divisors (96).

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, 3991762 + ... + 4046865.

It is an arithmetic number, because the mean of its divisors is an integer number (7090069896).

Almost surely, 2^221480251104 is an apocalyptic number.

221480251104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221480251104 is an abundant number, since it is smaller than the sum of its proper divisors (459166458912).

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

221480251104 is a wasteful number, since it uses less digits than its factorization.

221480251104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8038688 (or 8038680 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 221480251104 in words is "two hundred twenty-one billion, four hundred eighty million, two hundred fifty-one thousand, one hundred four".