1101021112012 has 24 divisors (see below), whose sum is σ = 1937444468960. Its totient is φ = 547471837440.

The previous prime is 1101021111991. The next prime is 1101021112057. The reversal of 1101021112012 is 2102111201011.

It is a happy number.

It is a super-2 number, since 2×1101021112012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101021111983 and 1101021112001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84687 + ... + 1486342.

Almost surely, 2^{1101021112012} is an apocalyptic number.

It is an amenable number.

1101021112012 is a deficient number, since it is larger than the sum of its proper divisors (836423356948).

1101021112012 is a wasteful number, since it uses less digits than its factorization.

1101021112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572001 (or 1571999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101021112012 its reverse (2102111201011), we get a palindrome (3203132313023).

The spelling of 1101021112012 in words is "one trillion, one hundred one billion, twenty-one million, one hundred twelve thousand, twelve".