121022211121102 has 16 divisors (see below), whose sum is σ = 182364673504032. Its totient is φ = 60234424754560.

The previous prime is 121022211121081. The next prime is 121022211121183. The reversal of 121022211121102 is 201121112220121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121022211121102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108980623 + ... + 110085514.

It is an arithmetic number, because the mean of its divisors is an integer number (11397792094002).

Almost surely, 2^{121022211121102} is an apocalyptic number.

121022211121102 is a deficient number, since it is larger than the sum of its proper divisors (61342462382930).

121022211121102 is a wasteful number, since it uses less digits than its factorization.

121022211121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219067403.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121022211121102 its reverse (201121112220121), we get a palindrome (322143323341223).

The spelling of 121022211121102 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred two".