112220001021001 has 4 divisors (see below), whose sum is σ = 112220025125572. Its totient is φ = 112219976916432.

The previous prime is 112220001020927. The next prime is 112220001021103. The reversal of 112220001021001 is 100120100022211.

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 21484374495376 + 90735626525625 = 4635124^2 + 9525525^2 .

It is a cyclic number.

It is not a de Polignac number, because 112220001021001 - 2¹³ = 112220001012809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112220001031001) 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, 2595606 + ... + 15204511.

It is an arithmetic number, because the mean of its divisors is an integer number (28055006281393).

Almost surely, 2^{112220001021001} is an apocalyptic number.

It is an amenable number.

112220001021001 is a deficient number, since it is larger than the sum of its proper divisors (24104571).

112220001021001 is an equidigital number, since it uses as much as digits as its factorization.

112220001021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104570.

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

Adding to 112220001021001 its reverse (100120100022211), we get a palindrome (212340101043212).

It can be divided in two parts, 11222000 and 1021001, that added together give a square (12243001 = 3499²).

The spelling of 112220001021001 in words is "one hundred twelve trillion, two hundred twenty billion, one million, twenty-one thousand, one".