121002222202220 has 12 divisors (see below), whose sum is σ = 254104666624704. Its totient is φ = 48400888880880.

The previous prime is 121002222202207. The next prime is 121002222202297. The reversal of 121002222202220 is 22202222200121.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6050111110111 = 121002222202220 / (1 + 2 + 1 + 0 + 0 + 2 + 2 + 2 + 2 + 2 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 121002222202192 and 121002222202201.

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 3 ways as a sum of consecutive naturals, for example, 3025055555036 + ... + 3025055555075.

It is an arithmetic number, because the mean of its divisors is an integer number (21175388885392).

Almost surely, 2^{121002222202220} is an apocalyptic number.

121002222202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002222202220 is an abundant number, since it is smaller than the sum of its proper divisors (133102444422484).

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

121002222202220 is a wasteful number, since it uses less digits than its factorization.

121002222202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050111110120 (or 6050111110118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 121002222202220 its reverse (22202222200121), we get a palindrome (143204444402341).

It can be divided in two parts, 121002 and 222202220, that added together give a palindrome (222323222).

The spelling of 121002222202220 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty".