112020020001 has 24 divisors (see below), whose sum is σ = 162651585096. Its totient is φ = 74290728960.

The previous prime is 112020019981. The next prime is 112020020003. The reversal of 112020020001 is 100020020211.

It can be written as a sum of positive squares in 4 ways, for example, as 43440980625 + 68579039376 = 208425^2 + 261876^2 .

It is not a de Polignac number, because 112020020001 - 2¹¹ = 112020017953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (112020020003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2039961 + ... + 2094153.

It is an arithmetic number, because the mean of its divisors is an integer number (6777149379).

Almost surely, 2^112020020001 is an apocalyptic number.

It is an amenable number.

112020020001 is a deficient number, since it is larger than the sum of its proper divisors (50631565095).

112020020001 is a wasteful number, since it uses less digits than its factorization.

112020020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55393 (or 55390 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 112020020001 its reverse (100020020211), we get a palindrome (212040040212).

The spelling of 112020020001 in words is "one hundred twelve billion, twenty million, twenty thousand, one".