221022012102122 has 64 divisors (see below), whose sum is σ = 415803479390208. Its totient is φ = 85599631656000.

The previous prime is 221022012102079. The next prime is 221022012102127. The reversal of 221022012102122 is 221201210220122.

It is a junction number, because it is equal to n+sod(n) for n = 221022012102094 and 221022012102103.

It is not an unprimeable number, because it can be changed into a prime (221022012102127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62701253 + ... + 66132375.

It is an arithmetic number, because the mean of its divisors is an integer number (6496929365472).

Almost surely, 2^{221022012102122} is an apocalyptic number.

221022012102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221022012102122 is a deficient number, since it is larger than the sum of its proper divisors (194781467288086).

221022012102122 is a wasteful number, since it uses less digits than its factorization.

221022012102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433635.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221022012102122 its reverse (221201210220122), we get a palindrome (442223222322244).

The spelling of 221022012102122 in words is "two hundred twenty-one trillion, twenty-two billion, twelve million, one hundred two thousand, one hundred twenty-two".