221110110101122 has 16 divisors (see below), whose sum is σ = 366175779272352. Its totient is φ = 99293696758720.

The previous prime is 221110110101113. The next prime is 221110110101137. The reversal of 221110110101122 is 221101011011122.

It is a junction number, because it is equal to n+sod(n) for n = 221110110101096 and 221110110101105.

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, 60544935223 + ... + 60544938874.

It is an arithmetic number, because the mean of its divisors is an integer number (22885986204522).

Almost surely, 2^{221110110101122} is an apocalyptic number.

221110110101122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221110110101122 is a deficient number, since it is larger than the sum of its proper divisors (145065669171230).

221110110101122 is a wasteful number, since it uses less digits than its factorization.

221110110101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121089874193.

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

Adding to 221110110101122 its reverse (221101011011122), we get a palindrome (442211121112244).

The spelling of 221110110101122 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred one thousand, one hundred twenty-two".