Search a number
-
+
211220011021703 is a prime number
BaseRepresentation
bin110000000001101001111101…
…101110011111010110000111
31000200212102202201211122120012
4300001221331232133112013
5210141112040310143303
62025121044500500435
762330066530365245
oct6001517556372607
91020772681748505
10211220011021703
11613349a3800222
121b833a2a3aa71b
1390b1c66768638
143a23162bd1795
1519644b58b45d8
hexc01a7db9f587

211220011021703 has 2 divisors, whose sum is σ = 211220011021704. Its totient is φ = 211220011021702.

The previous prime is 211220011021699. The next prime is 211220011021717. The reversal of 211220011021703 is 307120110022112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211220011021703 - 22 = 211220011021699 is a prime.

It is a super-3 number, since 3×2112200110217033 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211220011020703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610005510851 + 105610005510852.

It is an arithmetic number, because the mean of its divisors is an integer number (105610005510852).

Almost surely, 2211220011021703 is an apocalyptic number.

211220011021703 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220011021703 is an equidigital number, since it uses as much as digits as its factorization.

211220011021703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 211220011021703 its reverse (307120110022112), we get a palindrome (518340121043815).

The spelling of 211220011021703 in words is "two hundred eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, seven hundred three".