1101021112201 has 16 divisors (see below), whose sum is σ = 1140285436416. Its totient is φ = 1061992800000.

The previous prime is 1101021112171. The next prime is 1101021112207. The reversal of 1101021112201 is 1022111201011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101021112201 - 2⁹ = 1101021111689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101021112207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43504251 + ... + 43529551.

It is an arithmetic number, because the mean of its divisors is an integer number (71267839776).

Almost surely, 2^{1101021112201} is an apocalyptic number.

It is an amenable number.

1101021112201 is a deficient number, since it is larger than the sum of its proper divisors (39264324215).

1101021112201 is a wasteful number, since it uses less digits than its factorization.

1101021112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29904.

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

Adding to 1101021112201 its reverse (1022111201011), we get a palindrome (2123132313212).

The spelling of 1101021112201 in words is "one trillion, one hundred one billion, twenty-one million, one hundred twelve thousand, two hundred one".