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200202011021 = 1087892920627
BaseRepresentation
bin1011101001110011111…
…0000100000110001101
3201010202102101220112002
42322130332010012031
511240003203323041
6231545503522045
720315123005265
oct2723476040615
9633672356462
10200202011021
11779a58a8061
12329732b9325
1315b5712b91c
149992c687a5
15531b07959b
hex2e9cf8418d

200202011021 has 8 divisors (see below), whose sum is σ = 200418347520. Its totient is φ = 199985735808.

The previous prime is 200202010999. The next prime is 200202011057. The reversal of 200202011021 is 120110202002.

It is a happy number.

200202011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200202011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202010993 and 200202011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202011081) 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, 9695510 + ... + 9716136.

It is an arithmetic number, because the mean of its divisors is an integer number (25052293440).

Almost surely, 2200202011021 is an apocalyptic number.

It is an amenable number.

200202011021 is a deficient number, since it is larger than the sum of its proper divisors (216336499).

200202011021 is a wasteful number, since it uses less digits than its factorization.

200202011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30643.

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

Adding to 200202011021 its reverse (120110202002), we get a palindrome (320312213023).

The spelling of 200202011021 in words is "two hundred billion, two hundred two million, eleven thousand, twenty-one".

Divisors: 1 1087 8929 20627 9705823 22421549 184178483 200202011021