1101000121101 has 8 divisors (see below), whose sum is σ = 1631111290560. Its totient is φ = 734000080716.

The previous prime is 1101000121079. The next prime is 1101000121127. The reversal of 1101000121101 is 1011210001011.

It is not a de Polignac number, because 1101000121101 - 2⁵ = 1101000121069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000121141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20388891105 + ... + 20388891158.

It is an arithmetic number, because the mean of its divisors is an integer number (203888911320).

Almost surely, 2^{1101000121101} is an apocalyptic number.

It is an amenable number.

1101000121101 is a deficient number, since it is larger than the sum of its proper divisors (530111169459).

1101000121101 is an equidigital number, since it uses as much as digits as its factorization.

1101000121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40777782272 (or 40777782266 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1101000121101 its reverse (1011210001011), we get a palindrome (2112210122112).

The spelling of 1101000121101 in words is "one trillion, one hundred one billion, one hundred twenty-one thousand, one hundred one".