1102211221112 has 8 divisors (see below), whose sum is σ = 2066646039600. Its totient is φ = 551105610552.

The previous prime is 1102211221091. The next prime is 1102211221117. The reversal of 1102211221112 is 2111221122011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102211221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68888201312 + ... + 68888201327.

It is an arithmetic number, because the mean of its divisors is an integer number (258330754950).

Almost surely, 2^{1102211221112} is an apocalyptic number.

It is an amenable number.

1102211221112 is a deficient number, since it is larger than the sum of its proper divisors (964434818488).

1102211221112 is a wasteful number, since it uses less digits than its factorization.

1102211221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137776402645 (or 137776402641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1102211221112 its reverse (2111221122011), we get a palindrome (3213432343123).

The spelling of 1102211221112 in words is "one trillion, one hundred two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twelve".