212022032021 has 4 divisors (see below), whose sum is σ = 212043408672. Its totient is φ = 212000655372.

The previous prime is 212022032009. The next prime is 212022032051. The reversal of 212022032021 is 120230220212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212022032021 - 2¹⁴ = 212022015637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022032051) 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, 10673441 + ... + 10693286.

It is an arithmetic number, because the mean of its divisors is an integer number (53010852168).

Almost surely, 2^212022032021 is an apocalyptic number.

It is an amenable number.

212022032021 is a deficient number, since it is larger than the sum of its proper divisors (21376651).

212022032021 is an equidigital number, since it uses as much as digits as its factorization.

212022032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376650.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212022032021 its reverse (120230220212), we get a palindrome (332252252233).

The spelling of 212022032021 in words is "two hundred twelve billion, twenty-two million, thirty-two thousand, twenty-one".