212222011233021 has 8 divisors (see below), whose sum is σ = 283281692562624. Its totient is φ = 141321835362720.

The previous prime is 212222011232953. The next prime is 212222011233091. The reversal of 212222011233021 is 120332110222212.

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

It is not a de Polignac number, because 212222011233021 - 2³³ = 212213421298429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212222011232982 and 212222011233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222011233091) 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, 39876361720 + ... + 39876367041.

It is an arithmetic number, because the mean of its divisors is an integer number (35410211570328).

Almost surely, 2^{212222011233021} is an apocalyptic number.

It is an amenable number.

212222011233021 is a deficient number, since it is larger than the sum of its proper divisors (71059681329603).

212222011233021 is an equidigital number, since it uses as much as digits as its factorization.

212222011233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79752729651.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212222011233021 its reverse (120332110222212), we get a palindrome (332554121455233).

The spelling of 212222011233021 in words is "two hundred twelve trillion, two hundred twenty-two billion, eleven million, two hundred thirty-three thousand, twenty-one".