221112220103 has 4 divisors (see below), whose sum is σ = 221133013920. Its totient is φ = 221091426288.

The previous prime is 221112220099. The next prime is 221112220127. The reversal of 221112220103 is 301022211122.

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

It is a cyclic number.

It is not a de Polignac number, because 221112220103 - 2² = 221112220099 is a prime.

It is a super-2 number, since 2×221112220103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112220403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380950 + ... + 10402227.

It is an arithmetic number, because the mean of its divisors is an integer number (55283253480).

Almost surely, 2^221112220103 is an apocalyptic number.

221112220103 is a deficient number, since it is larger than the sum of its proper divisors (20793817).

221112220103 is a wasteful number, since it uses less digits than its factorization.

221112220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793816.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221112220103 its reverse (301022211122), we get a palindrome (522134431225).

The spelling of 221112220103 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, one hundred three".