1101012221112 has 16 divisors (see below), whose sum is σ = 2752530552840. Its totient is φ = 367004073696.

The previous prime is 1101012221021. The next prime is 1101012221119. The reversal of 1101012221112 is 2111222101011.

It is a happy number.

It is a super-2 number, since 2×1101012221112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101012221091 and 1101012221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101012221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22937754583 + ... + 22937754630.

Almost surely, 2^{1101012221112} is an apocalyptic number.

1101012221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101012221112 is an abundant number, since it is smaller than the sum of its proper divisors (1651518331728).

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

1101012221112 is a wasteful number, since it uses less digits than its factorization.

1101012221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45875509222 (or 45875509218 counting only the distinct ones).

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

Adding to 1101012221112 its reverse (2111222101011), we get a palindrome (3212234322123).

The spelling of 1101012221112 in words is "one trillion, one hundred one billion, twelve million, two hundred twenty-one thousand, one hundred twelve".