2101112102 has 8 divisors (see below), whose sum is σ = 3152301312. Its totient is φ = 1050345000.

The previous prime is 2101112099. The next prime is 2101112129. The reversal of 2101112102 is 2012111012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92774 + ... + 113177.

It is an arithmetic number, because the mean of its divisors is an integer number (394037664).

Almost surely, 2^2101112102 is an apocalyptic number.

2101112102 is a deficient number, since it is larger than the sum of its proper divisors (1051189210).

2101112102 is a wasteful number, since it uses less digits than its factorization.

2101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211054.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2101112102 is about 45837.8893711305. The cubic root of 2101112102 is about 1280.8051782145.

Adding to 2101112102 its reverse (2012111012), we get a palindrome (4113223114).

The spelling of 2101112102 in words is "two billion, one hundred one million, one hundred twelve thousand, one hundred two".