221200102112 has 96 divisors (see below), whose sum is σ = 512827822080. Its totient is φ = 92857515520.

The previous prime is 221200102091. The next prime is 221200102133. The reversal of 221200102112 is 211201002122.

It is an interprime number because it is at equal distance from previous prime (221200102091) and next prime (221200102133).

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, 236288 + ... + 705855.

It is an arithmetic number, because the mean of its divisors is an integer number (5341956480).

Almost surely, 2^221200102112 is an apocalyptic number.

221200102112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221200102112 is an abundant number, since it is smaller than the sum of its proper divisors (291627719968).

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

221200102112 is a wasteful number, since it uses less digits than its factorization.

221200102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942216 (or 942208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221200102112 its reverse (211201002122), we get a palindrome (432401104234).

It can be divided in two parts, 22120010 and 2112, that added together give a palindrome (22122122).

The spelling of 221200102112 in words is "two hundred twenty-one billion, two hundred million, one hundred two thousand, one hundred twelve".