112102000021 has 4 divisors (see below), whose sum is σ = 122293090944. Its totient is φ = 101910909100.

The previous prime is 112102000013. The next prime is 112102000027. The reversal of 112102000021 is 120000201211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112102000021 - 2³ = 112102000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112101999971 and 112102000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102000027) 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, 5095545445 + ... + 5095545466.

It is an arithmetic number, because the mean of its divisors is an integer number (30573272736).

Almost surely, 2^112102000021 is an apocalyptic number.

112102000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112102000021 is a deficient number, since it is larger than the sum of its proper divisors (10191090923).

112102000021 is a wasteful number, since it uses less digits than its factorization.

112102000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191090922.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 112102000021 its reverse (120000201211), we get a palindrome (232102201232).

The spelling of 112102000021 in words is "one hundred twelve billion, one hundred two million, twenty-one", and thus it is an aban number.