11112102012220 has 72 divisors (see below), whose sum is σ = 26477079076224. Its totient is φ = 3910417104000.

The previous prime is 11112102012083. The next prime is 11112102012269. The reversal of 11112102012220 is 2221020121111.

11112102012220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11112102012220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112102012194 and 11112102012203.

It is a congruent number.

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, 73985911 + ... + 74135950.

It is an arithmetic number, because the mean of its divisors is an integer number (367737209392).

Almost surely, 2^{11112102012220} is an apocalyptic number.

11112102012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112102012220 is an abundant number, since it is smaller than the sum of its proper divisors (15364977064004).

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

11112102012220 is a wasteful number, since it uses less digits than its factorization.

11112102012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148121923 (or 148121910 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112102012220 its reverse (2221020121111), we get a palindrome (13333122133331).

The spelling of 11112102012220 in words is "eleven trillion, one hundred twelve billion, one hundred two million, twelve thousand, two hundred twenty".