201112220102 has 4 divisors (see below), whose sum is σ = 301668330156.
Its totient is φ = 100556110050.
The previous prime is 201112220083. The next prime is 201112220117. The reversal of 201112220102 is 201022211102.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×2011122201022 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50278055024 + ... + 50278055027.
It is an arithmetic number, because the mean of its divisors is an integer number (75417082539).
Almost surely, 2201112220102 is an apocalyptic number.
201112220102 is a deficient number, since it is larger than the sum of its proper divisors (100556110054).
201112220102 is a wasteful number, since it uses less digits than its factorization.
201112220102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100556110053.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 201112220102 its reverse (201022211102), we get a palindrome (402134431204).
The spelling of 201112220102 in words is "two hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred two".