221068561122376 has 64 divisors (see below), whose sum is σ = 463218836391360. Its totient is φ = 98033944704000.

The previous prime is 221068561122337. The next prime is 221068561122457. The reversal of 221068561122376 is 673221165860122.

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, 540515716 + ... + 540924556.

It is an arithmetic number, because the mean of its divisors is an integer number (7237794318615).

Almost surely, 2^{221068561122376} is an apocalyptic number.

It is an amenable number.

221068561122376 is an abundant number, since it is smaller than the sum of its proper divisors (242150275268984).

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

221068561122376 is a wasteful number, since it uses less digits than its factorization.

221068561122376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558766 (or 558762 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 221068561122376 in words is "two hundred twenty-one trillion, sixty-eight billion, five hundred sixty-one million, one hundred twenty-two thousand, three hundred seventy-six".