121022210022 has 16 divisors (see below), whose sum is σ = 276622194432. Its totient is φ = 34577774280.

The previous prime is 121022210009. The next prime is 121022210051. The reversal of 121022210022 is 220012220121.

It is a junction number, because it is equal to n+sod(n) for n = 121022209983 and 121022210010.

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 in 7 ways as a sum of consecutive naturals, for example, 1440740554 + ... + 1440740637.

It is an arithmetic number, because the mean of its divisors is an integer number (17288887152).

Almost surely, 2^121022210022 is an apocalyptic number.

121022210022 is an abundant number, since it is smaller than the sum of its proper divisors (155599984410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022210022 is a wasteful number, since it uses less digits than its factorization.

121022210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881481203.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121022210022 its reverse (220012220121), we get a palindrome (341034430143).

The spelling of 121022210022 in words is "one hundred twenty-one billion, twenty-two million, two hundred ten thousand, twenty-two".