221363578741152 has 48 divisors (see below), whose sum is σ = 581118715830240. Its totient is φ = 73782866356992.

The previous prime is 221363578741139. The next prime is 221363578741157. The reversal of 221363578741152 is 251147875363122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 221363578741092 and 221363578741101.

It is not an unprimeable number, because it can be changed into a prime (221363578741157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76592943 + ... + 79430510.

It is an arithmetic number, because the mean of its divisors is an integer number (12106639913130).

Almost surely, 2^{221363578741152} is an apocalyptic number.

It is an amenable number.

221363578741152 is an abundant number, since it is smaller than the sum of its proper divisors (359755137089088).

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

221363578741152 is a wasteful number, since it uses less digits than its factorization.

221363578741152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156038245 (or 156038237 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 221363578741152 in words is "two hundred twenty-one trillion, three hundred sixty-three billion, five hundred seventy-eight million, seven hundred forty-one thousand, one hundred fifty-two".