1101220211112 has 64 divisors (see below), whose sum is σ = 3254838076800. Its totient is φ = 303784884480.

The previous prime is 1101220211081. The next prime is 1101220211129. The reversal of 1101220211112 is 2111120221011.

It is a happy number.

It is a super-4 number, since 4×1101220211112⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101220211091 and 1101220211100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113010339 + ... + 113020082.

It is an arithmetic number, because the mean of its divisors is an integer number (50856844950).

Almost surely, 2^{1101220211112} is an apocalyptic number.

1101220211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101220211112 is an abundant number, since it is smaller than the sum of its proper divisors (2153617865688).

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

1101220211112 is a wasteful number, since it uses less digits than its factorization.

1101220211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226030466 (or 226030462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101220211112 its reverse (2111120221011), we get a palindrome (3212340432123).

The spelling of 1101220211112 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred eleven thousand, one hundred twelve".