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20211002210011 = 29399769187091
BaseRepresentation
bin1001001100001101111011…
…00110110111011011011011
32122120011010111100100221211
410212012331212313123123
510122114113031210021
6110552450051443551
74154124322144624
oct446067546673333
978504114310854
1020211002210011
11649248a936488
12232503b8b65b7
13b37b73b22442
144dc309626a4b
15250b041843e1
hex1261bd9b76db

20211002210011 has 8 divisors (see below), whose sum is σ = 20300323037904. Its totient is φ = 20121819758880.

The previous prime is 20211002209949. The next prime is 20211002210017. The reversal of 20211002210011 is 11001220011202.

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-20211002210011 is a prime.

It is a super-2 number, since 2×202110022100112 (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 = 20211002209973 and 20211002210000.

It is not an unprimeable number, because it can be changed into a prime (20211002210017) 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, 34301425 + ... + 34885666.

It is an arithmetic number, because the mean of its divisors is an integer number (2537540379738).

Almost surely, 220211002210011 is an apocalyptic number.

20211002210011 is a deficient number, since it is larger than the sum of its proper divisors (89320827893).

20211002210011 is an equidigital number, since it uses as much as digits as its factorization.

20211002210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69188381.

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

Adding to 20211002210011 its reverse (11001220011202), we get a palindrome (31212222221213).

The spelling of 20211002210011 in words is "twenty trillion, two hundred eleven billion, two million, two hundred ten thousand, eleven".

Divisors: 1 293 997 292121 69187091 20271817663 68979529727 20211002210011