2201111112112 has 20 divisors (see below), whose sum is σ = 4652348487336. Its totient is φ = 1000505050880.

The previous prime is 2201111112077. The next prime is 2201111112113. The reversal of 2201111112112 is 2112111111022.

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

It is not an unprimeable number, because it can be changed into a prime (2201111112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253156393 + ... + 6253156744.

Almost surely, 2^{2201111112112} is an apocalyptic number.

2201111112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2201111112112 is an abundant number, since it is smaller than the sum of its proper divisors (2451237375224).

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

2201111112112 is a wasteful number, since it uses less digits than its factorization.

2201111112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12506313156 (or 12506313150 counting only the distinct ones).

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

Adding to 2201111112112 its reverse (2112111111022), we get a palindrome (4313222223134).

The spelling of 2201111112112 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred twelve thousand, one hundred twelve".