221111000100022 has 16 divisors (see below), whose sum is σ = 332193671943552. Its totient is φ = 110379843961920.

The previous prime is 221111000100019. The next prime is 221111000100083. The reversal of 221111000100022 is 220001000111122.

It is a junction number, because it is equal to n+sod(n) for n = 221111000099975 and 221111000100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10438879 + ... + 23477482.

It is an arithmetic number, because the mean of its divisors is an integer number (20762104496472).

Almost surely, 2^{221111000100022} is an apocalyptic number.

221111000100022 is a deficient number, since it is larger than the sum of its proper divisors (111082671843530).

221111000100022 is a wasteful number, since it uses less digits than its factorization.

221111000100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33921543.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221111000100022 its reverse (220001000111122), we get a palindrome (441112000211144).

The spelling of 221111000100022 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred thousand, twenty-two".