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22201022111 is a prime number
BaseRepresentation
bin10100101011010010…
…001011011010011111
32010022020010202222012
4110223102023122133
5330431430201421
614110552541435
71414106400662
oct245322133237
963266122865
1022201022111
119462997564
1243770b187b
13212a6a6598
14110874b6d9
1589e0da95b
hex52b48b69f

22201022111 has 2 divisors, whose sum is σ = 22201022112. Its totient is φ = 22201022110.

The previous prime is 22201022089. The next prime is 22201022117. The reversal of 22201022111 is 11122010222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22201022111 - 26 = 22201022047 is a prime.

It is a super-2 number, since 2×222010221112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201022117) 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 as a sum of consecutive naturals, namely, 11100511055 + 11100511056.

It is an arithmetic number, because the mean of its divisors is an integer number (11100511056).

Almost surely, 222201022111 is an apocalyptic number.

22201022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201022111 is an equidigital number, since it uses as much as digits as its factorization.

22201022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201022111 its reverse (11122010222), we get a palindrome (33323032333).

The spelling of 22201022111 in words is "twenty-two billion, two hundred one million, twenty-two thousand, one hundred eleven".