11001102112021 has 8 divisors (see below), whose sum is σ = 12572847242624. Its totient is φ = 9429396760080.

The previous prime is 11001102112019. The next prime is 11001102112081. The reversal of 11001102112021 is 12021120110011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11001102112021 - 2¹ = 11001102112019 is a prime.

It is a super-2 number, since 2×11001102112021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001102111992 and 11001102112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001102112081) 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, 9349665 + ... + 10460326.

It is an arithmetic number, because the mean of its divisors is an integer number (1571605905328).

Almost surely, 2^{11001102112021} is an apocalyptic number.

It is an amenable number.

11001102112021 is a deficient number, since it is larger than the sum of its proper divisors (1571745130603).

11001102112021 is an equidigital number, since it uses as much as digits as its factorization.

11001102112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19889331.

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

Adding to 11001102112021 its reverse (12021120110011), we get a palindrome (23022222222032).

The spelling of 11001102112021 in words is "eleven trillion, one billion, one hundred two million, one hundred twelve thousand, twenty-one".