1100021211112 has 32 divisors (see below), whose sum is σ = 2089431302400. Its totient is φ = 542844753984.

The previous prime is 1100021211101. The next prime is 1100021211143. The reversal of 1100021211112 is 2111121200011.

It is a happy number.

It is a super-2 number, since 2×1100021211112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100021211092 and 1100021211101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366773 + ... + 2016955.

It is an arithmetic number, because the mean of its divisors is an integer number (65294728200).

Almost surely, 2^{1100021211112} is an apocalyptic number.

It is an amenable number.

1100021211112 is a deficient number, since it is larger than the sum of its proper divisors (989410091288).

1100021211112 is a wasteful number, since it uses less digits than its factorization.

1100021211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652945 (or 652941 counting only the distinct ones).

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

Adding to 1100021211112 its reverse (2111121200011), we get a palindrome (3211142411123).

The spelling of 1100021211112 in words is "one trillion, one hundred billion, twenty-one million, two hundred eleven thousand, one hundred twelve".