11102022010021 has 4 divisors (see below), whose sum is σ = 11102297118444. Its totient is φ = 11101746901600.

The previous prime is 11102022010007. The next prime is 11102022010031. The reversal of 11102022010021 is 12001022020111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7223269012996 + 3878752997025 = 2687614^2 + 1969455^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102022010021 - 2¹⁹ = 11102021485733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102022009983 and 11102022010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102022010031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137493670 + ... + 137574391.

It is an arithmetic number, because the mean of its divisors is an integer number (2775574279611).

Almost surely, 2^{11102022010021} is an apocalyptic number.

It is an amenable number.

11102022010021 is a deficient number, since it is larger than the sum of its proper divisors (275108423).

11102022010021 is an equidigital number, since it uses as much as digits as its factorization.

11102022010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275108422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102022010021 its reverse (12001022020111), we get a palindrome (23103044030132).

The spelling of 11102022010021 in words is "eleven trillion, one hundred two billion, twenty-two million, ten thousand, twenty-one".