1102121221101 has 16 divisors (see below), whose sum is σ = 1503744528384. Its totient is φ = 717684858224.

The previous prime is 1102121221099. The next prime is 1102121221109. The reversal of 1102121221101 is 1011221212011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102121221101 - 2¹ = 1102121221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102121221109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7698921 + ... + 7840766.

It is an arithmetic number, because the mean of its divisors is an integer number (93984033024).

Almost surely, 2^{1102121221101} is an apocalyptic number.

It is an amenable number.

1102121221101 is a deficient number, since it is larger than the sum of its proper divisors (401623307283).

1102121221101 is a wasteful number, since it uses less digits than its factorization.

1102121221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15540240.

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

Adding to 1102121221101 its reverse (1011221212011), we get a palindrome (2113342433112).

The spelling of 1102121221101 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred one".