212022121020121 has 8 divisors (see below), whose sum is σ = 223181616363200. Its totient is φ = 200862669311280.

The previous prime is 212022121020097. The next prime is 212022121020133. The reversal of 212022121020121 is 121020121220212.

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 212022121020121 - 2⁷ = 212022121019993 is a prime.

It is a super-3 number, since 3×212022121020121³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022121020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689166 + ... + 20603863.

It is an arithmetic number, because the mean of its divisors is an integer number (27897702045400).

Almost surely, 2^{212022121020121} is an apocalyptic number.

It is an amenable number.

212022121020121 is a deficient number, since it is larger than the sum of its proper divisors (11159495343079).

212022121020121 is a wasteful number, since it uses less digits than its factorization.

212022121020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817119.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212022121020121 its reverse (121020121220212), we get a palindrome (333042242240333).

The spelling of 212022121020121 in words is "two hundred twelve trillion, twenty-two billion, one hundred twenty-one million, twenty thousand, one hundred twenty-one".