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11002221120021 = 33667407040007
BaseRepresentation
bin1010000000011010011101…
…1110110100101000010101
31102221210122201002021011220
42200012213132310220111
52420230022101320041
635222203421520553
72213612203325025
oct240064736645025
942853581067156
1011002221120021
113562019aa429a
121298379713159
1361a67463b861
142a072054da85
151412d6698d66
hexa01a77b4a15

11002221120021 has 4 divisors (see below), whose sum is σ = 14669628160032. Its totient is φ = 7334814080012.

The previous prime is 11002221120013. The next prime is 11002221120073. The reversal of 11002221120021 is 12002112220011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11002221120021 - 23 = 11002221120013 is a prime.

It is a super-2 number, since 2×110022211200212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002221120091) 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, 1833703520001 + ... + 1833703520006.

It is an arithmetic number, because the mean of its divisors is an integer number (3667407040008).

Almost surely, 211002221120021 is an apocalyptic number.

It is an amenable number.

11002221120021 is a deficient number, since it is larger than the sum of its proper divisors (3667407040011).

11002221120021 is an equidigital number, since it uses as much as digits as its factorization.

11002221120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667407040010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002221120021 its reverse (12002112220011), we get a palindrome (23004333340032).

The spelling of 11002221120021 in words is "eleven trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, twenty-one".

Divisors: 1 3 3667407040007 11002221120021