121220222002022 has 32 divisors (see below), whose sum is σ = 216192573918720. Its totient is φ = 50248840857120.

The previous prime is 121220222001973. The next prime is 121220222002049. The reversal of 121220222002022 is 220200222022121.

It is a junction number, because it is equal to n+sod(n) for n = 121220222001985 and 121220222002003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553271022 + ... + 2553318497.

It is an arithmetic number, because the mean of its divisors is an integer number (6756017934960).

Almost surely, 2^{121220222002022} is an apocalyptic number.

121220222002022 is a deficient number, since it is larger than the sum of its proper divisors (94972351916698).

121220222002022 is a wasteful number, since it uses less digits than its factorization.

121220222002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106589628.

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

Adding to 121220222002022 its reverse (220200222022121), we get a palindrome (341420444024143).

The spelling of 121220222002022 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twenty-two million, two thousand, twenty-two".