221102200122010 has 64 divisors (see below), whose sum is σ = 400465213553664. Its totient is φ = 87891655104000.

The previous prime is 221102200121867. The next prime is 221102200122047. The reversal of 221102200122010 is 10221002201122.

It is a happy number.

221102200122010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298934327 + ... + 1299104533.

It is an arithmetic number, because the mean of its divisors is an integer number (6257268961776).

Almost surely, 2^{221102200122010} is an apocalyptic number.

221102200122010 is a deficient number, since it is larger than the sum of its proper divisors (179363013431654).

221102200122010 is a wasteful number, since it uses less digits than its factorization.

221102200122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171799.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221102200122010 its reverse (10221002201122), we get a palindrome (231323202323132).

The spelling of 221102200122010 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred million, one hundred twenty-two thousand, ten".