221122112102122 has 32 divisors (see below), whose sum is σ = 413574606604800. Its totient is φ = 86141568119280.

The previous prime is 221122112102119. The next prime is 221122112102131. The reversal of 221122112102122 is 221201211221122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 221122112102093 and 221122112102102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81190408 + ... + 83869699.

It is an arithmetic number, because the mean of its divisors is an integer number (12924206456400).

Almost surely, 2^{221122112102122} is an apocalyptic number.

221122112102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221122112102122 is a deficient number, since it is larger than the sum of its proper divisors (192452494502678).

221122112102122 is a wasteful number, since it uses less digits than its factorization.

221122112102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165068826.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 221122112102122 its reverse (221201211221122), we get a palindrome (442323323323244).

The spelling of 221122112102122 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".