121102212022 has 16 divisors (see below), whose sum is σ = 198812763072. Its totient is φ = 54867152520.

The previous prime is 121102212019. The next prime is 121102212029. The reversal of 121102212022 is 220212201121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121102211987 and 121102212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102212029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958468 + ... + 8971975.

It is an arithmetic number, because the mean of its divisors is an integer number (12425797692).

Almost surely, 2^121102212022 is an apocalyptic number.

121102212022 is a deficient number, since it is larger than the sum of its proper divisors (77710551050).

121102212022 is a wasteful number, since it uses less digits than its factorization.

121102212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17930763.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121102212022 its reverse (220212201121), we get a palindrome (341314413143).

The spelling of 121102212022 in words is "one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, twenty-two".