1101120221001 has 16 divisors (see below), whose sum is σ = 1509897495104. Its totient is φ = 713265683904.

The previous prime is 1101120220973. The next prime is 1101120221041. The reversal of 1101120221001 is 1001220211011.

It is not a de Polignac number, because 1101120221001 - 2⁹ = 1101120220489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101120221041) 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, 6685351 + ... + 6848076.

It is an arithmetic number, because the mean of its divisors is an integer number (94368593444).

Almost surely, 2^{1101120221001} is an apocalyptic number.

It is an amenable number.

1101120221001 is a deficient number, since it is larger than the sum of its proper divisors (408777274103).

1101120221001 is a wasteful number, since it uses less digits than its factorization.

1101120221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534200.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101120221001 its reverse (1001220211011), we get a palindrome (2102340432012).

The spelling of 1101120221001 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred twenty-one thousand, one".