221211112022 has 16 divisors (see below), whose sum is σ = 332822813760. Its totient is φ = 110270299392.

The previous prime is 221211112021. The next prime is 221211112091. The reversal of 221211112022 is 220211112122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211112021) 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, 3868028 + ... + 3924800.

It is an arithmetic number, because the mean of its divisors is an integer number (20801425860).

Almost surely, 2^221211112022 is an apocalyptic number.

221211112022 is a deficient number, since it is larger than the sum of its proper divisors (111611701738).

221211112022 is a wasteful number, since it uses less digits than its factorization.

221211112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62647.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221211112022 its reverse (220211112122), we get a palindrome (441422224144).

The spelling of 221211112022 in words is "two hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, twenty-two".