221705573010106 has 16 divisors (see below), whose sum is σ = 333564234090048. Its totient is φ = 110517497323200.

The previous prime is 221705573010013. The next prime is 221705573010139. The reversal of 221705573010106 is 601010375507122.

It is a super-2 number, since 2×221705573010106² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327983251 + ... + 328658521.

It is an arithmetic number, because the mean of its divisors is an integer number (20847764630628).

Almost surely, 2^{221705573010106} is an apocalyptic number.

221705573010106 is a deficient number, since it is larger than the sum of its proper divisors (111858661079942).

221705573010106 is a wasteful number, since it uses less digits than its factorization.

221705573010106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171557.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 221705573010106 in words is "two hundred twenty-one trillion, seven hundred five billion, five hundred seventy-three million, ten thousand, one hundred six".