212022120121 has 8 divisors (see below), whose sum is σ = 246283306304. Its totient is φ = 178754011920.

The previous prime is 212022120119. The next prime is 212022120131. The reversal of 212022120121 is 121021220212.

It is a happy number.

212022120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212022120121 - 2¹ = 212022120119 is a prime.

It is a super-3 number, since 3×212022120121³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022120095 and 212022120104.

It is not an unprimeable number, because it can be changed into a prime (212022120131) 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 7 ways as a sum of consecutive naturals, for example, 248269035 + ... + 248269888.

It is an arithmetic number, because the mean of its divisors is an integer number (30785413288).

Almost surely, 2^212022120121 is an apocalyptic number.

It is an amenable number.

212022120121 is a deficient number, since it is larger than the sum of its proper divisors (34261186183).

212022120121 is an equidigital number, since it uses as much as digits as its factorization.

212022120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496538991.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212022120121 its reverse (121021220212), we get a palindrome (333043340333).

The spelling of 212022120121 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".