121220202022 has 8 divisors (see below), whose sum is σ = 182591100000. Its totient is φ = 60356502024.

The previous prime is 121220202017. The next prime is 121220202029. The reversal of 121220202022 is 220202022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121220201987 and 121220202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126798897 + ... + 126799852.

It is an arithmetic number, because the mean of its divisors is an integer number (22823887500).

Almost surely, 2^121220202022 is an apocalyptic number.

121220202022 is a deficient number, since it is larger than the sum of its proper divisors (61370897978).

121220202022 is a wasteful number, since it uses less digits than its factorization.

121220202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253598990.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121220202022 its reverse (220202022121), we get a palindrome (341422224143).

It can be divided in two parts, 121 and 220202022, that multiplied together give a palindrome (26644444662).

The spelling of 121220202022 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred two thousand, twenty-two".