11112101101220 has 96 divisors (see below), whose sum is σ = 28130323845120. Its totient is φ = 3601932312960.

The previous prime is 11112101101177. The next prime is 11112101101313. The reversal of 11112101101220 is 2210110121111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11112101101195 and 11112101101204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2993576 + ... + 5584415.

It is an arithmetic number, because the mean of its divisors is an integer number (293024206720).

Almost surely, 2^{11112101101220} is an apocalyptic number.

11112101101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112101101220 is an abundant number, since it is smaller than the sum of its proper divisors (17018222743900).

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

11112101101220 is a wasteful number, since it uses less digits than its factorization.

11112101101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578513 (or 8578511 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112101101220 its reverse (2210110121111), we get a palindrome (13322211222331).

The spelling of 11112101101220 in words is "eleven trillion, one hundred twelve billion, one hundred one million, one hundred one thousand, two hundred twenty".