112002121000021 has 96 divisors (see below), whose sum is σ = 138784508352000. Its totient is φ = 89962272691200.

The previous prime is 112002120999983. The next prime is 112002121000027. The reversal of 112002121000021 is 120000121200211.

It is not a de Polignac number, because 112002121000021 - 2¹⁷ = 112002120868949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112002120999965 and 112002121000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002121000027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16305444375 + ... + 16305451243.

It is an arithmetic number, because the mean of its divisors is an integer number (1445671962000).

Almost surely, 2^{112002121000021} is an apocalyptic number.

It is an amenable number.

112002121000021 is a deficient number, since it is larger than the sum of its proper divisors (26782387351979).

112002121000021 is a wasteful number, since it uses less digits than its factorization.

112002121000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363 (or 8356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112002121000021 its reverse (120000121200211), we get a palindrome (232002242200232).

The spelling of 112002121000021 in words is "one hundred twelve trillion, two billion, one hundred twenty-one million, twenty-one", and thus it is an aban number.