221010102122 has 16 divisors (see below), whose sum is σ = 349107485760. Its totient is φ = 104645745792.

The previous prime is 221010102119. The next prime is 221010102161. The reversal of 221010102122 is 221201010122.

It is a junction number, because it is equal to n+sod(n) for n = 221010102097 and 221010102106.

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, 1108103 + ... + 1292250.

It is an arithmetic number, because the mean of its divisors is an integer number (21819217860).

Almost surely, 2^221010102122 is an apocalyptic number.

221010102122 is a deficient number, since it is larger than the sum of its proper divisors (128097383638).

221010102122 is a wasteful number, since it uses less digits than its factorization.

221010102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402797.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221010102122 its reverse (221201010122), we get a palindrome (442211112244).

The spelling of 221010102122 in words is "two hundred twenty-one billion, ten million, one hundred two thousand, one hundred twenty-two".