221200011102 has 32 divisors (see below), whose sum is σ = 517931737344. Its totient is φ = 61658539200.

The previous prime is 221200011089. The next prime is 221200011127. The reversal of 221200011102 is 201110002122.

It is a congruent number.

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, 64225924 + ... + 64229367.

It is an arithmetic number, because the mean of its divisors is an integer number (16185366792).

Almost surely, 2^221200011102 is an apocalyptic number.

221200011102 is an abundant number, since it is smaller than the sum of its proper divisors (296731726242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221200011102 is a wasteful number, since it uses less digits than its factorization.

221200011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128455344.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221200011102 its reverse (201110002122), we get a palindrome (422310013224).

The spelling of 221200011102 in words is "two hundred twenty-one billion, two hundred million, eleven thousand, one hundred two".