221112011102 has 8 divisors (see below), whose sum is σ = 332120499096. Its totient is φ = 110405178072.

The previous prime is 221112011069. The next prime is 221112011117. The reversal of 221112011102 is 201110211122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75411908 + ... + 75414839.

It is an arithmetic number, because the mean of its divisors is an integer number (41515062387).

Almost surely, 2^221112011102 is an apocalyptic number.

221112011102 is a deficient number, since it is larger than the sum of its proper divisors (111008487994).

221112011102 is a wasteful number, since it uses less digits than its factorization.

221112011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150827482.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221112011102 its reverse (201110211122), we get a palindrome (422222222224).

It can be divided in two parts, 2211120 and 11102, that added together give a palindrome (2222222).

The spelling of 221112011102 in words is "two hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred two".