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11202002021 = 73734290311
BaseRepresentation
bin10100110111011000…
…01111110001100101
31001220200112122220202
422123230033301211
5140420203031041
65051321440245
7544411306010
oct123354176145
931820478822
1011202002021
114829268a11
122207640085
131096a32c82
14783a54377
15458691a9b
hex29bb0fc65

11202002021 has 8 divisors (see below), whose sum is σ = 12836613504. Its totient is φ = 9575971920.

The previous prime is 11202001991. The next prime is 11202002047. The reversal of 11202002021 is 12020020211.

Adding to 11202002021 its reverse (12020020211), we get a palindrome (23222022232).

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 11202002021 - 214 = 11201985637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202001993 and 11202002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142545 + ... + 2147766.

It is an arithmetic number, because the mean of its divisors is an integer number (1604576688).

Almost surely, 211202002021 is an apocalyptic number.

It is an amenable number.

11202002021 is a deficient number, since it is larger than the sum of its proper divisors (1634611483).

11202002021 is an equidigital number, since it uses as much as digits as its factorization.

11202002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290691.

The product of its (nonzero) digits is 16, while the sum is 11.

The spelling of 11202002021 in words is "eleven billion, two hundred two million, two thousand, twenty-one".

Divisors: 1 7 373 2611 4290311 30032177 1600286003 11202002021