122121112111102 has 32 divisors (see below), whose sum is σ = 198029330722944. Its totient is φ = 56147680764000.

The previous prime is 122121112111069. The next prime is 122121112111121. The reversal of 122121112111102 is 201111211121221.

It is a self number, because there is not a number n which added to its sum of digits gives 122121112111102.

It is a congruent number.

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, 3042577 + ... + 15921667.

It is an arithmetic number, because the mean of its divisors is an integer number (6188416585092).

Almost surely, 2^{122121112111102} is an apocalyptic number.

122121112111102 is a deficient number, since it is larger than the sum of its proper divisors (75908218611842).

122121112111102 is a wasteful number, since it uses less digits than its factorization.

122121112111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880504.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122121112111102 its reverse (201111211121221), we get a palindrome (323232323232323).

The spelling of 122121112111102 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, one hundred two".