112100000022001 has 4 divisors (see below), whose sum is σ = 118694117670372. Its totient is φ = 105505882373632.

The previous prime is 112100000021981. The next prime is 112100000022071. The reversal of 112100000022001 is 100220000001211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72895821789025 + 39204178232976 = 8537905^2 + 6261324^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100000022001 - 2⁵ = 112100000021969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100000022071) 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, 3297058824160 + ... + 3297058824193.

It is an arithmetic number, because the mean of its divisors is an integer number (29673529417593).

Almost surely, 2^{112100000022001} is an apocalyptic number.

It is an amenable number.

112100000022001 is a deficient number, since it is larger than the sum of its proper divisors (6594117648371).

112100000022001 is an equidigital number, since it uses as much as digits as its factorization.

112100000022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594117648370.

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

Adding to 112100000022001 its reverse (100220000001211), we get a palindrome (212320000023212).

The spelling of 112100000022001 in words is "one hundred twelve trillion, one hundred billion, twenty-two thousand, one".