212232110022021 has 16 divisors (see below), whose sum is σ = 294698602224000. Its totient is φ = 135692334163008.

The previous prime is 212232110021969. The next prime is 212232110022059. The reversal of 212232110022021 is 120220011232212.

It is not a de Polignac number, because 212232110022021 - 2⁶ = 212232110021957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232110022061) 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 15 ways as a sum of consecutive naturals, for example, 8186059321 + ... + 8186085246.

It is an arithmetic number, because the mean of its divisors is an integer number (18418662639000).

Almost surely, 2^{212232110022021} is an apocalyptic number.

It is an amenable number.

212232110022021 is a deficient number, since it is larger than the sum of its proper divisors (82466492201979).

212232110022021 is a wasteful number, since it uses less digits than its factorization.

212232110022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372144748.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212232110022021 its reverse (120220011232212), we get a palindrome (332452121254233).

The spelling of 212232110022021 in words is "two hundred twelve trillion, two hundred thirty-two billion, one hundred ten million, twenty-two thousand, twenty-one".