221012022022 has 32 divisors (see below), whose sum is σ = 367654111488. Its totient is φ = 98794500000.

The previous prime is 221012022019. The next prime is 221012022031. The reversal of 221012022022 is 220220210122.

It is a junction number, because it is equal to n+sod(n) for n = 221012021987 and 221012022005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9101397 + ... + 9125647.

It is an arithmetic number, because the mean of its divisors is an integer number (11489190984).

Almost surely, 2^221012022022 is an apocalyptic number.

221012022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221012022022 is a deficient number, since it is larger than the sum of its proper divisors (146642089466).

221012022022 is a wasteful number, since it uses less digits than its factorization.

221012022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31116.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221012022022 its reverse (220220210122), we get a palindrome (441232232144).

The spelling of 221012022022 in words is "two hundred twenty-one billion, twelve million, twenty-two thousand, twenty-two".