2212012111104 has 108 divisors (see below), whose sum is σ = 6498111998196. Its totient is φ = 723425304576.

The previous prime is 2212012111093. The next prime is 2212012111129. The reversal of 2212012111104 is 4011112102122.

It can be written as a sum of positive squares in 2 ways, for example, as 690361574400 + 1521650536704 = 830880^2 + 1233552^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8935197 + ... + 9179420.

It is an arithmetic number, because the mean of its divisors is an integer number (60167703687).

Almost surely, 2^{2212012111104} is an apocalyptic number.

2212012111104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2212012111104 is an abundant number, since it is smaller than the sum of its proper divisors (4286099887092).

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

2212012111104 is a wasteful number, since it uses less digits than its factorization.

2212012111104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114692 (or 18114675 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2212012111104 its reverse (4011112102122), we get a palindrome (6223124213226).

The spelling of 2212012111104 in words is "two trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, one hundred four".