1102120221101 has 4 divisors (see below), whose sum is σ = 1112231415900. Its totient is φ = 1092009026304.

The previous prime is 1102120221091. The next prime is 1102120221121. The reversal of 1102120221101 is 1011220212011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 503468298025 + 598651923076 = 709555^2 + 773726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102120221101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102120221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055597236 + ... + 5055597453.

It is an arithmetic number, because the mean of its divisors is an integer number (278057853975).

Almost surely, 2^{1102120221101} is an apocalyptic number.

It is an amenable number.

1102120221101 is a deficient number, since it is larger than the sum of its proper divisors (10111194799).

1102120221101 is a wasteful number, since it uses less digits than its factorization.

1102120221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111194798.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102120221101 its reverse (1011220212011), we get a palindrome (2113340433112).

The spelling of 1102120221101 in words is "one trillion, one hundred two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred one".