2021212100022 has 8 divisors (see below), whose sum is σ = 4042424200056. Its totient is φ = 673737366672.

The previous prime is 2021212099981. The next prime is 2021212100029. The reversal of 2021212100022 is 2200012121202.

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

2021212100022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2021212099974 and 2021212100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021212100029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168434341663 + ... + 168434341674.

It is an arithmetic number, because the mean of its divisors is an integer number (505303025007).

Almost surely, 2^{2021212100022} is an apocalyptic number.

2021212100022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021212100022 is a wasteful number, since it uses less digits than its factorization.

2021212100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336868683342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021212100022 its reverse (2200012121202), we get a palindrome (4221224221224).

The spelling of 2021212100022 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred thousand, twenty-two".