221101012200112 has 40 divisors (see below), whose sum is σ = 468820197493200. Its totient is φ = 100179372334080.

The previous prime is 221101012200073. The next prime is 221101012200151. The reversal of 221101012200112 is 211002210101122.

It is an interprime number because it is at equal distance from previous prime (221101012200073) and next prime (221101012200151).

It is a super-3 number, since 3×221101012200112³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006743237 + ... + 2006853412.

It is an arithmetic number, because the mean of its divisors is an integer number (11720504937330).

Almost surely, 2^{221101012200112} is an apocalyptic number.

221101012200112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221101012200112 is an abundant number, since it is smaller than the sum of its proper divisors (247719185293088).

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

221101012200112 is a wasteful number, since it uses less digits than its factorization.

221101012200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013596981 (or 4013596975 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221101012200112 its reverse (211002210101122), we get a palindrome (432103222301234).

The spelling of 221101012200112 in words is "two hundred twenty-one trillion, one hundred one billion, twelve million, two hundred thousand, one hundred twelve".