221348843122 has 32 divisors (see below), whose sum is σ = 376981452288. Its totient is φ = 97367490000.

The previous prime is 221348843063. The next prime is 221348843161.

221348843122 is nontrivially palindromic in base 10.

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, 1258629 + ... + 1423672.

It is an arithmetic number, because the mean of its divisors is an integer number (11780670384).

Almost surely, 2^221348843122 is an apocalyptic number.

221348843122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221348843122 is a deficient number, since it is larger than the sum of its proper divisors (155632609166).

221348843122 is a wasteful number, since it uses less digits than its factorization.

221348843122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682367 (or 2682345 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The spelling of 221348843122 in words is "two hundred twenty-one billion, three hundred forty-eight million, eight hundred forty-three thousand, one hundred twenty-two".