2102210011112 has 8 divisors (see below), whose sum is σ = 3941643770850. Its totient is φ = 1051105005552.

The previous prime is 2102210011081. The next prime is 2102210011117. The reversal of 2102210011112 is 2111100122012.

It can be written as a sum of positive squares in only one way, i.e., 2049518644996 + 52691366116 = 1431614^2 + 229546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2102210011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131388125687 + ... + 131388125702.

Almost surely, 2^{2102210011112} is an apocalyptic number.

It is an amenable number.

2102210011112 is a deficient number, since it is larger than the sum of its proper divisors (1839433759738).

2102210011112 is a wasteful number, since it uses less digits than its factorization.

2102210011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262776251395 (or 262776251391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102210011112 its reverse (2111100122012), we get a palindrome (4213310133124).

The spelling of 2102210011112 in words is "two trillion, one hundred two billion, two hundred ten million, eleven thousand, one hundred twelve".