221060108 has 6 divisors (see below), whose sum is σ = 386855196. Its totient is φ = 110530052.

The previous prime is 221060087. The next prime is 221060113. The reversal of 221060108 is 801060122.

It is a self number, because there is not a number n which added to its sum of digits gives 221060108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27632510 + ... + 27632517.

It is an arithmetic number, because the mean of its divisors is an integer number (64475866).

Almost surely, 2^221060108 is an apocalyptic number.

It is an amenable number.

221060108 is a deficient number, since it is larger than the sum of its proper divisors (165795088).

221060108 is a wasteful number, since it uses less digits than its factorization.

221060108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55265031 (or 55265029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 221060108 is about 14868.0902606892. The cubic root of 221060108 is about 604.6491675403.

The spelling of 221060108 in words is "two hundred twenty-one million, sixty thousand, one hundred eight".