212121200122022 has 8 divisors (see below), whose sum is σ = 318227601528216. Its totient is φ = 106045332945952.

The previous prime is 212121200122019. The next prime is 212121200122081. The reversal of 212121200122022 is 220221002121212.

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

It is a super-2 number, since 2×212121200122022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212121200121985 and 212121200122003.

It is a congruent number.

It is an unprimeable number.

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, 7633540163 + ... + 7633567950.

It is an arithmetic number, because the mean of its divisors is an integer number (39778450191027).

Almost surely, 2^{212121200122022} is an apocalyptic number.

212121200122022 is a deficient number, since it is larger than the sum of its proper divisors (106106401406194).

212121200122022 is a wasteful number, since it uses less digits than its factorization.

212121200122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15267115062.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212121200122022 its reverse (220221002121212), we get a palindrome (432342202243234).

The spelling of 212121200122022 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, twenty-two".