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22220102101 is a prime number
BaseRepresentation
bin10100101100011010…
…111101100111010101
32010100120001010210111
4110230122331213111
5331001321231401
614112513523021
71414430515531
oct245432754725
963316033714
1022220102101
11947273964a
124381573471
132131627012
14110b0b6bc1
158a0b08e51
hex52c6bd9d5

22220102101 has 2 divisors, whose sum is σ = 22220102102. Its totient is φ = 22220102100.

The previous prime is 22220102057. The next prime is 22220102147. The reversal of 22220102101 is 10120102222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18597867876 + 3622234225 = 136374^2 + 60185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22220102101 is a prime.

It is a super-2 number, since 2×222201021012 (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 (22220108101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110051050 + 11110051051.

It is an arithmetic number, because the mean of its divisors is an integer number (11110051051).

Almost surely, 222220102101 is an apocalyptic number.

It is an amenable number.

22220102101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220102101 is an equidigital number, since it uses as much as digits as its factorization.

22220102101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22220102101 its reverse (10120102222), we get a palindrome (32340204323).

The spelling of 22220102101 in words is "twenty-two billion, two hundred twenty million, one hundred two thousand, one hundred one".