11012221202112 has 168 divisors, whose sum is σ = 34471356060960. Its totient is φ = 3340651991040.

The previous prime is 11012221202063. The next prime is 11012221202221. The reversal of 11012221202112 is 21120212221011.

11012221202112 is a `hidden beast` number, since 110 + 1 + 222 + 120 + 211 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9825037 + ... + 10888332.

It is an arithmetic number, because the mean of its divisors is an integer number (205186643220).

Almost surely, 2^{11012221202112} is an apocalyptic number.

11012221202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012221202112 is an abundant number, since it is smaller than the sum of its proper divisors (23459134858848).

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

11012221202112 is a wasteful number, since it uses less digits than its factorization.

11012221202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20713471 (or 20713458 counting only the distinct ones).

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

Adding to 11012221202112 its reverse (21120212221011), we get a palindrome (32132433423123).

The spelling of 11012221202112 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred twelve".