11000101101021 has 12 divisors (see below), whose sum is σ = 15892457132448. Its totient is φ = 7331821253064.

The previous prime is 11000101100971. The next prime is 11000101101047. The reversal of 11000101101021 is 12010110100011.

It is not a de Polignac number, because 11000101101021 - 2¹⁹ = 11000100576733 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 11000101100994 and 11000101101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000101101221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131579305 + ... + 131662878.

It is an arithmetic number, because the mean of its divisors is an integer number (1324371427704).

Almost surely, 2^{11000101101021} is an apocalyptic number.

It is an amenable number.

11000101101021 is a deficient number, since it is larger than the sum of its proper divisors (4892356031427).

11000101101021 is a wasteful number, since it uses less digits than its factorization.

11000101101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263246832 (or 263246829 counting only the distinct ones).

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

Adding to 11000101101021 its reverse (12010110100011), we get a palindrome (23010211201032).

The spelling of 11000101101021 in words is "eleven trillion, one hundred one million, one hundred one thousand, twenty-one".