221000212022 has 4 divisors (see below), whose sum is σ = 331500318036. Its totient is φ = 110500106010.

The previous prime is 221000211967. The next prime is 221000212039. The reversal of 221000212022 is 220212000122.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 221000211988 and 221000212006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250053004 + ... + 55250053007.

It is an arithmetic number, because the mean of its divisors is an integer number (82875079509).

Almost surely, 2^221000212022 is an apocalyptic number.

221000212022 is a deficient number, since it is larger than the sum of its proper divisors (110500106014).

221000212022 is a wasteful number, since it uses less digits than its factorization.

221000212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500106013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221000212022 its reverse (220212000122), we get a palindrome (441212212144).

The spelling of 221000212022 in words is "two hundred twenty-one billion, two hundred twelve thousand, twenty-two".