20212012222111 has 8 divisors (see below), whose sum is σ = 20359473008400. Its totient is φ = 20064708898752.

The previous prime is 20212012222099. The next prime is 20212012222121. The reversal of 20212012222111 is 11122221021202.

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 20212012222111 - 2³³ = 20203422287519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212012222121) 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, 39108070 + ... + 39621523.

It is an arithmetic number, because the mean of its divisors is an integer number (2544934126050).

Almost surely, 2^{20212012222111} is an apocalyptic number.

20212012222111 is a deficient number, since it is larger than the sum of its proper divisors (147460786289).

20212012222111 is a wasteful number, since it uses less digits than its factorization.

20212012222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78731465.

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

Adding to 20212012222111 its reverse (11122221021202), we get a palindrome (31334233243313).

The spelling of 20212012222111 in words is "twenty trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred eleven".