121121221212022 has 8 divisors (see below), whose sum is σ = 181708815624336. Its totient is φ = 60551616003912.

The previous prime is 121121221212011. The next prime is 121121221212041. The reversal of 121121221212022 is 220212122121121.

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

It is a super-3 number, since 3×121121221212022³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121121221211984 and 121121221212002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497284218 + ... + 4497311149.

It is an arithmetic number, because the mean of its divisors is an integer number (22713601953042).

Almost surely, 2^{121121221212022} is an apocalyptic number.

121121221212022 is a deficient number, since it is larger than the sum of its proper divisors (60587594412314).

121121221212022 is an equidigital number, since it uses as much as digits as its factorization.

121121221212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994602102.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121121221212022 its reverse (220212122121121), we get a palindrome (341333343333143).

Subtracting 121121221212022 from its reverse (220212122121121), we obtain a palindrome (99090900909099).

The spelling of 121121221212022 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twelve thousand, twenty-two".