122110220221102 has 4 divisors (see below), whose sum is σ = 183165330331656. Its totient is φ = 61055110110550.

The previous prime is 122110220221091. The next prime is 122110220221183. The reversal of 122110220221102 is 201122022011221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122110220221102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527555055274 + ... + 30527555055277.

It is an arithmetic number, because the mean of its divisors is an integer number (45791332582914).

Almost surely, 2^{122110220221102} is an apocalyptic number.

122110220221102 is a deficient number, since it is larger than the sum of its proper divisors (61055110110554).

122110220221102 is an equidigital number, since it uses as much as digits as its factorization.

122110220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61055110110553.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122110220221102 its reverse (201122022011221), we get a palindrome (323232242232323).

The spelling of 122110220221102 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".