11001022101021 has 8 divisors (see below), whose sum is σ = 14668064280064. Its totient is φ = 7333997328000.

The previous prime is 11001022100983. The next prime is 11001022101037. The reversal of 11001022101021 is 12010122010011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11001022101021 - 2¹⁰ = 11001022099997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001022100988 and 11001022101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001022101221) 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, 2797501 + ... + 5461506.

It is an arithmetic number, because the mean of its divisors is an integer number (1833508035008).

Almost surely, 2^{11001022101021} is an apocalyptic number.

It is an amenable number.

11001022101021 is a deficient number, since it is larger than the sum of its proper divisors (3667042179043).

11001022101021 is an equidigital number, since it uses as much as digits as its factorization.

11001022101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703011.

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

Adding to 11001022101021 its reverse (12010122010011), we get a palindrome (23011144111032).

The spelling of 11001022101021 in words is "eleven trillion, one billion, twenty-two million, one hundred one thousand, twenty-one".