112210100020018 has 128 divisors (see below), whose sum is σ = 227871372718080. Its totient is φ = 40020487776000.

The previous prime is 112210100019977. The next prime is 112210100020019. The reversal of 112210100020018 is 810020001012211.

It is a super-2 number, since 2×112210100020018² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112210100019977 and 112210100020004.

It is not an unprimeable number, because it can be changed into a prime (112210100020019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129656673 + ... + 130519243.

It is an arithmetic number, because the mean of its divisors is an integer number (1780245099360).

Almost surely, 2^{112210100020018} is an apocalyptic number.

112210100020018 is an abundant number, since it is smaller than the sum of its proper divisors (115661272698062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112210100020018 is a wasteful number, since it uses less digits than its factorization.

112210100020018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863144.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112210100020018 its reverse (810020001012211), we get a palindrome (922230101032229).

The spelling of 112210100020018 in words is "one hundred twelve trillion, two hundred ten billion, one hundred million, twenty thousand, eighteen".