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22220108101 is a prime number
BaseRepresentation
bin10100101100011010…
…111111000101000101
32010100120001110000201
4110230122333011011
5331001321424401
614112514010501
71414430542162
oct245432770505
963316043021
1022220108101
119472743104
124381576a31
132131629979
14110b0b9069
158a0b0ab01
hex52c6bf145

22220108101 has 2 divisors, whose sum is σ = 22220108102. Its totient is φ = 22220108100.

The previous prime is 22220108047. The next prime is 22220108147. The reversal of 22220108101 is 10180102222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22150368900 + 69739201 = 148830^2 + 8351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22220108101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110054050 + 11110054051.

It is an arithmetic number, because the mean of its divisors is an integer number (11110054051).

Almost surely, 222220108101 is an apocalyptic number.

It is an amenable number.

22220108101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220108101 is an equidigital number, since it uses as much as digits as its factorization.

22220108101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

It can be divided in two parts, 22220 and 108101, that added together give a 4-th power (130321 = 194).

The spelling of 22220108101 in words is "twenty-two billion, two hundred twenty million, one hundred eight thousand, one hundred one".