122100221221102 has 16 divisors (see below), whose sum is σ = 183251570434560. Its totient is φ = 61016373669888.

The previous prime is 122100221221067. The next prime is 122100221221127. The reversal of 122100221221102 is 201122122001221.

It is a self number, because there is not a number n which added to its sum of digits gives 122100221221102.

It is a congruent number.

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, 24100858 + ... + 28723714.

It is an arithmetic number, because the mean of its divisors is an integer number (11453223152160).

Almost surely, 2^{122100221221102} is an apocalyptic number.

122100221221102 is a deficient number, since it is larger than the sum of its proper divisors (61151349213458).

122100221221102 is a wasteful number, since it uses less digits than its factorization.

122100221221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630155.

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

Adding to 122100221221102 its reverse (201122122001221), we get a palindrome (323222343222323).

The spelling of 122100221221102 in words is "one hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".